From 08a53739ee2b66c770f0ef98fd3b7cae8be8f4a7 Mon Sep 17 00:00:00 2001
From: Francesco <fra.rauseo@gmail.com>
Date: Thu, 23 Jul 2020 16:29:59 +0200
Subject: [PATCH] WIP - Generics Implementation

---
 .../LoggingClient/LoggingClient.csproj        |  12 ++
 LoggingClient/LoggingClient/MainWindow.xaml   |  36 +++-
 LoggingClient/LoggingClient/Model/Location.cs |  30 ++-
 LoggingClient/LoggingClient/Model/Logging.cs  |   3 +-
 LoggingClient/LoggingClient/Model/Model.cs    |  10 +-
 LoggingClient/LoggingClient/Model/Node.cs     |  47 ++++
 .../Model/SeverityComboBoxItem.cs             |   1 -
 .../Repository/LocationRepository.cs          | 188 ++++++++++++++--
 .../Repository/LoggingRepository.cs           | 204 +++++++++++++++---
 .../Repository/RepositoryBase.cs              |  82 ++++++-
 .../ViewModel/Commands/BaseCommand.cs         |  30 +++
 .../ViewModel/LocationTreeBuilder.cs          |  54 +++++
 .../ViewModel/LocationViewModel.cs            | 191 ++++++++++++++++
 .../LoggingClient/ViewModel/LogViewModel.cs   |  22 +-
 .../ViewModel/NavigationViewModel.cs          |  46 ++++
 .../LoggingClient/Views/LocationView.xaml     | 121 +++++++++++
 .../LoggingClient/Views/LocationView.xaml.cs  |  28 +++
 .../LoggingClient/Views/LogView.xaml          |  22 +-
 18 files changed, 1020 insertions(+), 107 deletions(-)
 mode change 100644 => 100755 LoggingClient/LoggingClient/MainWindow.xaml
 create mode 100755 LoggingClient/LoggingClient/Model/Node.cs
 mode change 100644 => 100755 LoggingClient/LoggingClient/Model/SeverityComboBoxItem.cs
 create mode 100755 LoggingClient/LoggingClient/ViewModel/Commands/BaseCommand.cs
 create mode 100755 LoggingClient/LoggingClient/ViewModel/LocationTreeBuilder.cs
 create mode 100755 LoggingClient/LoggingClient/ViewModel/LocationViewModel.cs
 create mode 100755 LoggingClient/LoggingClient/ViewModel/NavigationViewModel.cs
 create mode 100755 LoggingClient/LoggingClient/Views/LocationView.xaml
 create mode 100755 LoggingClient/LoggingClient/Views/LocationView.xaml.cs
 mode change 100644 => 100755 LoggingClient/LoggingClient/Views/LogView.xaml

diff --git a/LoggingClient/LoggingClient/LoggingClient.csproj b/LoggingClient/LoggingClient/LoggingClient.csproj
index aad4d26..78148cf 100644
--- a/LoggingClient/LoggingClient/LoggingClient.csproj
+++ b/LoggingClient/LoggingClient/LoggingClient.csproj
@@ -80,14 +80,22 @@
     </ApplicationDefinition>
     <Compile Include="Model\Model.cs" />
     <Compile Include="Model\Location.cs" />
+    <Compile Include="Model\Node.cs" />
     <Compile Include="Model\SeverityComboBoxItem.cs" />
     <Compile Include="Repository\IRepositoryBase.cs" />
     <Compile Include="Repository\LocationRepository.cs" />
     <Compile Include="Repository\LoggingRepository.cs" />
     <Compile Include="Repository\RepositoryBase.cs" />
     <Compile Include="Validators\IntRangeValidationRule.cs" />
+    <Compile Include="ViewModel\Commands\BaseCommand.cs" />
     <Compile Include="ViewModel\Commands\RelayCommand.cs" />
     <Compile Include="Validators\StringRangeValidationRule.cs" />
+    <Compile Include="ViewModel\LocationTreeBuilder.cs" />
+    <Compile Include="ViewModel\LocationViewModel.cs" />
+    <Compile Include="ViewModel\NavigationViewModel.cs" />
+    <Compile Include="Views\LocationView.xaml.cs">
+      <DependentUpon>LocationView.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Views\LogView.xaml.cs">
       <DependentUpon>LogView.xaml</DependentUpon>
     </Compile>
@@ -105,6 +113,10 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="Views\LocationView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Views\LogView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/LoggingClient/LoggingClient/MainWindow.xaml b/LoggingClient/LoggingClient/MainWindow.xaml
old mode 100644
new mode 100755
index 56acf2f..8a9132f
--- a/LoggingClient/LoggingClient/MainWindow.xaml
+++ b/LoggingClient/LoggingClient/MainWindow.xaml
@@ -2,8 +2,40 @@
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:views="clr-namespace:LoggingClient.Views"
+        xmlns:local="clr-namespace:LoggingClient.ViewModel"
         Title="MainWindow" Height="450" Width="800" ResizeMode="NoResize">
-    <Grid>
+    <!--<Grid>
         <views:LogView x:Name = "LogView"/>
-    </Grid>
+    </Grid>-->
+
+    <Window.Resources>
+
+        <DataTemplate DataType="{x:Type local:LogViewModel}">
+            <views:LogView/>
+        </DataTemplate>
+
+        <DataTemplate DataType="{x:Type local:LocationViewModel}">
+            <views:LocationView/>
+        </DataTemplate>
+    </Window.Resources>
+
+    <DockPanel LastChildFill="True">
+
+        <Grid x:Name="Navigation" DockPanel.Dock="Top">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"></ColumnDefinition>
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="*"></RowDefinition>
+            </Grid.RowDefinitions>
+
+            <Button Grid.Row="0"  Width="400" Content="Locations" Command="{Binding LocationsCommand}" Margin="394,0,-393,0"/>
+
+            <Button HorizontalAlignment="Right" Width="400" Content="Log Reader" Command="{Binding LogsCommand}" Margin="0,0,2,0"/>
+
+        </Grid>
+
+        <ContentControl x:Name="Pages" DockPanel.Dock="Right" Content="{Binding SelectedViewModel}"/>
+
+    </DockPanel>
 </Window>
\ No newline at end of file
diff --git a/LoggingClient/LoggingClient/Model/Location.cs b/LoggingClient/LoggingClient/Model/Location.cs
index 5012d62..fdb4dec 100755
--- a/LoggingClient/LoggingClient/Model/Location.cs
+++ b/LoggingClient/LoggingClient/Model/Location.cs
@@ -1,12 +1,26 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace LoggingClient.Model
+namespace LoggingClient.Model
 {
-    class Location : Model
+    public class Location : Model<Location>
     {
+        public int ParentId { get; set; }
+        public int AddressId { get; set; }
+        public string Designation { get; set; }
+        public int BuildingNr { get; set; }
+        public int RoomNr { get; set; }
+
+        public Location()
+        {
+            // Emty Constructor
+        }
+
+        public Location(int id, int parentId, int addressId, string designation, int buildingNr, int roomNr)
+        {
+            this.Id = id;
+            this.ParentId = parentId;
+            this.AddressId = addressId;
+            this.Designation = designation;
+            this.BuildingNr = buildingNr;
+            this.RoomNr = roomNr;
+        }
     }
 }
diff --git a/LoggingClient/LoggingClient/Model/Logging.cs b/LoggingClient/LoggingClient/Model/Logging.cs
index 170146d..3653203 100755
--- a/LoggingClient/LoggingClient/Model/Logging.cs
+++ b/LoggingClient/LoggingClient/Model/Logging.cs
@@ -2,9 +2,8 @@
 
 namespace LoggingClient.Model
 {
-    public class Logging : Model
+    public class Logging : Model<Logging>
     {
-        public int Id { get; set; }
         public string Pod { get; set; }
         public string Location { get; set; }
         public string Hostname { get; set; }
diff --git a/LoggingClient/LoggingClient/Model/Model.cs b/LoggingClient/LoggingClient/Model/Model.cs
index 46e3758..77f1460 100755
--- a/LoggingClient/LoggingClient/Model/Model.cs
+++ b/LoggingClient/LoggingClient/Model/Model.cs
@@ -1,13 +1,9 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using DuplicateCheckerLib;
+using DuplicateCheckerLib;
 
 namespace LoggingClient.Model
 {
-    public class Model : IEntity
+    public abstract class Model<M> : IEntity
     {
+        public int Id { get; set; }
     }
 }
diff --git a/LoggingClient/LoggingClient/Model/Node.cs b/LoggingClient/LoggingClient/Model/Node.cs
new file mode 100755
index 0000000..15bc92f
--- /dev/null
+++ b/LoggingClient/LoggingClient/Model/Node.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LoggingClient.Model
+{
+    public class Node<M>
+    {
+        public M ValueObject { get; set; }
+        public Node<M> ParentNode { get; set; }
+        public List<Node<M>> ChildNodesList { get; set; }
+
+        public Node()
+        {
+            this.ChildNodesList = new List<Node<M>>();
+        }
+        public Node(M valueObject)
+        {
+            this.ValueObject = valueObject;
+            this.ParentNode = default;
+            this.ChildNodesList = new List<Node<M>>();
+        }
+
+        public Node(Node<M> parentNode, M valueObject)
+        {
+            this.ValueObject = valueObject;
+            this.ParentNode = parentNode;
+            this.ChildNodesList = new List<Node<M>>();
+        }
+
+        public void AddChildNode(Node<M> childNode)
+        {
+            this.ChildNodesList.Add(childNode);
+        }
+
+        public override string ToString()
+        {
+            if (ValueObject != null)
+            {
+                return ValueObject.ToString();
+            }
+            return "-1";
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/Model/SeverityComboBoxItem.cs b/LoggingClient/LoggingClient/Model/SeverityComboBoxItem.cs
old mode 100644
new mode 100755
index 9867ef7..9524610
--- a/LoggingClient/LoggingClient/Model/SeverityComboBoxItem.cs
+++ b/LoggingClient/LoggingClient/Model/SeverityComboBoxItem.cs
@@ -13,5 +13,4 @@ namespace LoggingClient.Model
         public int Id { get; set; }
         public int Severity { get; set; }
     }
-
 }
diff --git a/LoggingClient/LoggingClient/Repository/LocationRepository.cs b/LoggingClient/LoggingClient/Repository/LocationRepository.cs
index f13ec8e..56f2b08 100755
--- a/LoggingClient/LoggingClient/Repository/LocationRepository.cs
+++ b/LoggingClient/LoggingClient/Repository/LocationRepository.cs
@@ -1,50 +1,198 @@
 using LoggingClient.Model;
+using MySql.Data.MySqlClient;
+using System;
 using System.Collections.Generic;
+using System.Windows;
 
 namespace LoggingClient.Repository
 {
     class LocationRepository : RepositoryBase<Location>
     {
-        public override string TableName => throw new System.NotImplementedException();
+        public override string TableName => "Location";
+        public override string ColumnsForSelect => "location_id, parent_location, address_fk, designation, building, room";
+        public override string ColumnsForAdd => "parent_location, address_fk, designation, building, room";
+        public override string PrimaryKeyFromTable => "location_id";
 
-        public override void Add(Location entity)
+        public List<Location> Locations { get; set; }
+        public Location _Locations { get; set; }
+        public LocationRepository(string connectionString) : base(connectionString)
         {
-            throw new System.NotImplementedException();
+            Locations = new List<Location>();
+        }
+        public override void Add(Location location)
+        {
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText =
+                            $"INSERT INTO {TableName} ({ColumnsForAdd}) " +
+                            $"VALUES " +
+                            $"(parentId = {location.ParentId}, address_fk = {location.AddressId} , designation = '{location.Designation}', building = {location.BuildingNr} , room = {location.RoomNr} )";
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
         }
 
-        public override long Count(string whereCondition, Dictionary<string, object> parameterValues)
+        public override void Delete(Location location)
         {
-            throw new System.NotImplementedException();
-        }
-
-        public override long Count()
-        {
-            throw new System.NotImplementedException();
-        }
-
-        public override void Delete(Location entity)
-        {
-            throw new System.NotImplementedException();
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"DELETE FROM {TableName} WHERE location_id = {location.Id}";
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
         }
 
         public override List<Location> GetAll(string whereCondition, Dictionary<string, object> parameterValues)
         {
-            throw new System.NotImplementedException();
+            var whereCon = whereCondition;
+            if (parameterValues.Count > 0 && whereCondition != null)
+            {
+                foreach (KeyValuePair<string, object> p in parameterValues)
+                {
+                    whereCon = whereCon.Replace($"@{p.Key}", p.Value.ToString());
+                }
+            }
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName} WHERE {whereCon}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            Locations.Add(new Location(
+
+                                reader.GetInt32("location_id"),
+                                reader.GetInt32("parent_location"),
+                                reader.GetInt32("address_fk"),
+                                reader.GetValue(reader.GetOrdinal("designation")) as string,
+                                reader.GetInt32("building"),
+                                reader.GetInt32("room")
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return Locations;
         }
 
         public override List<Location> GetAll()
         {
-            throw new System.NotImplementedException();
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            Locations.Add(new Location(
+
+                                reader.GetInt32("location_id"),
+                                reader.GetInt32("parent_location"),
+                                reader.GetInt32("address_fk"),
+                                reader.GetValue(reader.GetOrdinal("designation")) as string,
+                                reader.GetInt32("building"),
+                                reader.GetInt32("room")
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return Locations;
+        }
+
+        public override void CallStoredProcedure(Location entity)
+        {
+            throw new System.NotSupportedException();
         }
 
         public override Location GetSingle<P>(P pkValue)
         {
-            throw new System.NotImplementedException();
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName} WHERE {PrimaryKeyFromTable} = {pkValue}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            _Locations = (new Location(
+
+                                reader.GetInt32("location_id"),
+                                reader.GetInt32("parent_location"),
+                                reader.GetInt32("address_fk"),
+                                reader.GetValue(reader.GetOrdinal("designation")) as string,
+                                reader.GetInt32("building"),
+                                reader.GetInt32("room")
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return _Locations;
         }
 
-        public override void Update(Location entity)
+        public override void Update(Location location)
         {
-            throw new System.NotImplementedException();
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText =
+                            $"UPDATE {TableName} SET address_fk = {location.Id} , designation = '{location.Designation}', building = {location.BuildingNr} , room = {location.RoomNr} WHERE location_id = {location.Id}";
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
         }
     }
 }
diff --git a/LoggingClient/LoggingClient/Repository/LoggingRepository.cs b/LoggingClient/LoggingClient/Repository/LoggingRepository.cs
index 36bf3d4..f1a2a31 100755
--- a/LoggingClient/LoggingClient/Repository/LoggingRepository.cs
+++ b/LoggingClient/LoggingClient/Repository/LoggingRepository.cs
@@ -1,54 +1,192 @@
-using LoggingClient.Model;
-using System;
+using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Data;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows;
+using MySql.Data.MySqlClient;
+using LoggingClient.Model;
 
 namespace LoggingClient.Repository
 {
     class LoggingRepository : RepositoryBase<Logging>
     {
-        public override string TableName => throw new NotImplementedException();
+        public override string TableName => "v_logentries";
+        public override string ColumnsForSelect => "id, pod, location, hostname, severity, timestamp, message";
+        public override string ColumnsForAdd { get; }
+        public override string PrimaryKeyFromTable => "id";
 
-        public override void Add(Logging entity)
-        {
-            throw new NotImplementedException();
-        }
+        public List<Logging> Logs { get; set; }
+        public Logging _Logs { get; set; }
 
-        public override long Count(string whereCondition, Dictionary<string, object> parameterValues)
+        public LoggingRepository(string connectionString) : base(connectionString)
         {
-            throw new NotImplementedException();
-        }
-
-        public override long Count()
-        {
-            throw new NotImplementedException();
-        }
-
-        public override void Delete(Logging entity)
-        {
-            throw new NotImplementedException();
-        }
-
-        public override List<Logging> GetAll(string whereCondition, Dictionary<string, object> parameterValues)
-        {
-            throw new NotImplementedException();
-        }
-
-        public override List<Logging> GetAll()
-        {
-            throw new NotImplementedException();
+            Logs = new List<Logging>();
         }
 
         public override Logging GetSingle<P>(P pkValue)
         {
-            throw new NotImplementedException();
-        }
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName} WHERE {PrimaryKeyFromTable} = {pkValue}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            _Logs = (new Logging(
 
+                                reader.GetInt32("id"),
+                                reader.GetValue(reader.GetOrdinal("pod")) as string,
+                                reader.GetValue(reader.GetOrdinal("location")) as string,
+                                reader.GetValue(reader.GetOrdinal("hostname")) as string,
+                                reader.GetInt32("severity"),
+                                reader.GetDateTime("timestamp"),
+                                reader.GetValue(reader.GetOrdinal("message")) as string
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return _Logs;
+        }
+        public override void Add(Logging newLogging)
+        {
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = "LogMessageAdd";
+                        cmd.CommandType = CommandType.StoredProcedure;
+
+                        cmd.Parameters.Add("@i_pod", MySqlDbType.String).Value = newLogging.Pod;
+                        cmd.Parameters.Add("@i_hostname", MySqlDbType.String).Value = newLogging.Hostname;
+                        cmd.Parameters.Add("@i_severity", MySqlDbType.Int32).Value = newLogging.Severity;
+                        cmd.Parameters.Add("@i_message", MySqlDbType.String).Value = newLogging.Message;
+
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+        public override void Delete(Logging entity)
+        {
+            throw new System.NotSupportedException();
+        }
         public override void Update(Logging entity)
         {
-            throw new NotImplementedException();
+            throw new System.NotSupportedException();
+        }
+        public override List<Logging> GetAll(string whereCondition, Dictionary<string, object> parameterValues)
+        {
+            var whereCon = whereCondition;
+            if (parameterValues.Count > 0 && whereCondition != null)
+            {
+                foreach (KeyValuePair<string, object> p in parameterValues)
+                {
+                    whereCon = whereCon.Replace($"@{p.Key}", p.Value.ToString());
+                }
+            }
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName} WHERE {whereCon}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            Logs.Add(new Logging(
+
+                                reader.GetInt32("id"),
+                                reader.GetValue(reader.GetOrdinal("pod")) as string,
+                                reader.GetValue(reader.GetOrdinal("location")) as string,
+                                reader.GetValue(reader.GetOrdinal("hostname")) as string,
+                                reader.GetInt32("severity"),
+                                reader.GetDateTime("timestamp"),
+                                reader.GetValue(reader.GetOrdinal("message")) as string
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return Logs;
+        }
+        public override List<Logging> GetAll()
+        {
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (MySqlCommand cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = $"SELECT {ColumnsForSelect} FROM {TableName}";
+                        var reader = cmd.ExecuteReader();
+                        while (reader.Read())
+                        {
+                            Logs.Add(new Logging(
+
+                                reader.GetInt32("id"),
+                                reader.GetValue(reader.GetOrdinal("pod")) as string,
+                                reader.GetValue(reader.GetOrdinal("location")) as string,
+                                reader.GetValue(reader.GetOrdinal("hostname")) as string,
+                                reader.GetInt32("severity"),
+                                reader.GetDateTime("timestamp"),
+                                reader.GetValue(reader.GetOrdinal("message")) as string
+                            ));
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+            return Logs;
+        }
+        public override void CallStoredProcedure(Logging logModelEntry)
+        {
+            try
+            {
+                using (var conn = new MySqlConnection(ConnectionString))
+                {
+                    conn.Open();
+                    using (var cmd = conn.CreateCommand())
+                    {
+                        cmd.CommandText = "LogClear";
+                        cmd.CommandType = CommandType.StoredProcedure;
+                        cmd.Parameters.AddWithValue("_logentries_id", logModelEntry.Id);
+                        cmd.ExecuteNonQuery();
+                    }
+                }
+            }
+            catch (MySqlException ex)
+            {
+                MessageBox.Show(ex.ToString());
+            }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/LoggingClient/LoggingClient/Repository/RepositoryBase.cs b/LoggingClient/LoggingClient/Repository/RepositoryBase.cs
index b2000f2..f2289f9 100755
--- a/LoggingClient/LoggingClient/Repository/RepositoryBase.cs
+++ b/LoggingClient/LoggingClient/Repository/RepositoryBase.cs
@@ -1,22 +1,86 @@
-using System;
+using MySql.Data.MySqlClient;
+using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Windows;
 
 namespace LoggingClient.Repository
 {
     public abstract class RepositoryBase<M> : IRepositoryBase<M>
     {
-        public abstract string TableName { get; }
+        protected RepositoryBase(string connectionString)
+        {
+            this.ConnectionString = connectionString;
+        }
+        protected string ConnectionString { get; }
+        public abstract M GetSingle<P>(P pkValue);
 
         public abstract void Add(M entity);
-        public abstract long Count(string whereCondition, Dictionary<string, object> parameterValues);
-        public abstract long Count();
+
         public abstract void Delete(M entity);
-        public abstract List<M> GetAll(string whereCondition, Dictionary<string, object> parameterValues);
-        public abstract List<M> GetAll();
-        public abstract M GetSingle<P>(P pkValue);
+
         public abstract void Update(M entity);
+        public abstract List<M> GetAll(string whereCondition, Dictionary<string, object> parameterValues);
+
+        public abstract List<M> GetAll();
+
+        public abstract void CallStoredProcedure(M entity);
+
+        public IQueryable<M> Query(string whereCondition, Dictionary<string, object> parameterValues)
+        {
+            throw new System.NotSupportedException();
+        }
+        public long Count(string whereCondition, Dictionary<string, object> parameterValues)
+        {
+            var whereCon = whereCondition;
+            if (parameterValues.Count > 0 && whereCondition != null)
+            {
+                foreach (KeyValuePair<string, object> p in parameterValues)
+                {
+                    whereCon = whereCon.Replace($"@{p.Key}", p.Value.ToString());
+                }
+            }
+            try
+            {
+                using (var conn = new MySqlConnection(this.ConnectionString))
+                {
+                    using (var cmd = conn.CreateCommand())
+                    {
+                        conn.Open();
+                        cmd.CommandText = $"select count(*) from {this.TableName} where {whereCon}";
+                        return (long)cmd.ExecuteScalar();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+                return -1;
+            }
+        }
+        public long Count()
+        {
+            try
+            {
+                using (var conn = new MySqlConnection(this.ConnectionString))
+                {
+                    using (var cmd = conn.CreateCommand())
+                    {
+                        conn.Open();
+                        cmd.CommandText = $"select count(*) from {this.TableName}";
+                        return (long)cmd.ExecuteScalar();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+                return -1;
+            }
+        }
+        public abstract string TableName { get; }
+        public abstract string ColumnsForSelect { get; }
+        public abstract string ColumnsForAdd { get; }
+        public abstract string PrimaryKeyFromTable { get; }
     }
 }
\ No newline at end of file
diff --git a/LoggingClient/LoggingClient/ViewModel/Commands/BaseCommand.cs b/LoggingClient/LoggingClient/ViewModel/Commands/BaseCommand.cs
new file mode 100755
index 0000000..dc5c328
--- /dev/null
+++ b/LoggingClient/LoggingClient/ViewModel/Commands/BaseCommand.cs
@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace WpfControlNugget.ViewModel.Commands
+{
+    public class BaseCommand : ICommand
+    {
+        private Action<object> _method;
+        public event EventHandler CanExecuteChanged;
+
+        public BaseCommand(Action<object> method)
+        {
+            _method = method;
+        }
+
+        public bool CanExecute(object parameter)
+        {
+            return true;
+        }
+
+        public void Execute(object parameter)
+        {
+            _method.Invoke(parameter);
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/ViewModel/LocationTreeBuilder.cs b/LoggingClient/LoggingClient/ViewModel/LocationTreeBuilder.cs
new file mode 100755
index 0000000..964a051
--- /dev/null
+++ b/LoggingClient/LoggingClient/ViewModel/LocationTreeBuilder.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using LoggingClient.Model;
+
+namespace LoggingClient.ViewModel
+{
+    public class LocationTreeBuilder
+    {
+        public Node<Location> BuildTree(List<Location> locations)
+        {
+            if (locations == null) return new Node<Location>();
+            var nodeList = locations.ToList();
+            var tree = FindTreeRoot(nodeList);
+            BuildTree(tree, nodeList);
+            return tree;
+        }
+
+        private void BuildTree(Node<Location> locationNode, List<Location> descendants)
+        {
+            var children = descendants.Where(node => node.ParentId == locationNode.ValueObject.Id).ToArray();
+            foreach (var child in children)
+            {
+                var branch = Map(child, locationNode);
+                locationNode.AddChildNode(branch);
+                descendants.Remove(child);
+            }
+            foreach (var branch in locationNode.ChildNodesList)
+            {
+                BuildTree(branch, descendants);
+            }
+        }
+
+        private Node<Location> FindTreeRoot(List<Location> nodes)
+        {
+            var rootNodes = nodes.Where(node => node.ParentId == 0);
+            if (rootNodes.Count() != 1) return new Node<Location>();
+            var rootNode = rootNodes.Single();
+            nodes.Remove(rootNode);
+            return Map(rootNode, null);
+        }
+
+        private Node<Location> Map(Location loc, Node<Location> parentNode)
+        {
+            return new Node<Location>
+            {
+                ValueObject = loc,
+                ParentNode = parentNode
+            };
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/ViewModel/LocationViewModel.cs b/LoggingClient/LoggingClient/ViewModel/LocationViewModel.cs
new file mode 100755
index 0000000..a61cfba
--- /dev/null
+++ b/LoggingClient/LoggingClient/ViewModel/LocationViewModel.cs
@@ -0,0 +1,191 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Input;
+using LoggingClient.Model;
+using LoggingClient.Repository;
+using LoggingClient.ViewModel.Commands;
+
+namespace LoggingClient.ViewModel
+{
+    class LocationViewModel : INotifyPropertyChanged
+    {
+        private string _txtConnectionString;
+
+        private ICommand _btnLoadDataClick;
+        private ICommand _btnAddDataClick;
+        private ICommand _btnDeleteDataClick;
+        private ICommand _btnUpdateDataClick;
+        private ICommand _btnBuildTreeClick;
+
+        public List<Location> Locations
+        {
+            get => _locations;
+            set
+            {
+                _locations = value;
+                OnPropertyChanged("Locations");
+            }
+        }
+        private List<Location> _locations;
+        public Location NewLocationModelEntry { get; set; }
+        public List<Node<Location>> LocationTree { get; set; }
+
+        public LocationViewModel()
+        {
+            TxtConnectionString = "Server=localhost;Database=inventarisierungsloesung;Uid=root;Pwd=MySQLPassword1234!;";
+            Locations = new List<Location>();
+            NewLocationModelEntry = new Location();
+
+        }
+        public Logging MySelectedItem { get; set; }
+        public event PropertyChangedEventHandler PropertyChanged;
+        public string TxtConnectionString
+        {
+            get => _txtConnectionString;
+            set
+            {
+                _txtConnectionString = value;
+                OnPropertyChanged(nameof(TxtConnectionString));
+            }
+        }
+
+        public ICommand BtnLoadDataClick
+        {
+            get
+            {
+                return _btnLoadDataClick ?? (_btnLoadDataClick = new RelayCommand(
+                           x =>
+                           {
+                               LoadData();
+                           }));
+            }
+        }
+        public ICommand BtnAddDataClick
+        {
+            get
+            {
+                return _btnAddDataClick ?? (_btnAddDataClick = new RelayCommand(
+                           x =>
+                           {
+                               AddData();
+                           }));
+            }
+        }
+        public ICommand BtnDeleteDataClick
+        {
+            get
+            {
+                return _btnDeleteDataClick ?? (_btnDeleteDataClick = new RelayCommand(
+                           x =>
+                           {
+                               DeleteData();
+                           }));
+            }
+        }
+        public ICommand BtnUpdateDataClick
+        {
+            get
+            {
+                return _btnUpdateDataClick ?? (_btnUpdateDataClick = new RelayCommand(
+                           x =>
+                           {
+                               UpdateData();
+                           }));
+            }
+        }
+        public ICommand BtnBuildTreeClick
+        {
+            get
+            {
+                return _btnBuildTreeClick ?? (_btnBuildTreeClick = new RelayCommand(
+                           x =>
+                           {
+                               LoadTreeData();
+                           }));
+            }
+        }
+        private void LoadData()
+        {
+            try
+            {
+                var locationModelRepository = new LocationRepository(TxtConnectionString);
+                this.Locations = locationModelRepository.GetAll();
+                this.LocationTree = new List<Node<Location>>();
+                GenerateLocationTreeFromList(Locations);
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("LocationTree"));
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+        private void AddData()
+        {
+            try
+            {
+                var locationModelRepository = new LocationRepository(TxtConnectionString);
+                locationModelRepository.Add(this.NewLocationModelEntry);
+                this.Locations = locationModelRepository.GetAll();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+        private void DeleteData()
+        {
+            try
+            {
+                var locationModelRepository = new LocationRepository(TxtConnectionString);
+                locationModelRepository.Delete(this.NewLocationModelEntry);
+                this.Locations = locationModelRepository.GetAll();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+        private void UpdateData()
+        {
+            try
+            {
+                var locationModelRepository = new LocationRepository(TxtConnectionString);
+                locationModelRepository.Update(this.NewLocationModelEntry);
+                this.Locations = locationModelRepository.GetAll();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+        private void LoadTreeData()
+        {
+            try
+            {
+                var locationModelRepository = new LocationRepository(TxtConnectionString);
+                this.Locations = locationModelRepository.GetAll();
+                this.LocationTree = new List<Node<Location>>();
+                GenerateLocationTreeFromList(Locations);
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("LocationTree"));
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("Error occurred: " + ex.Message);
+            }
+        }
+
+        public void GenerateLocationTreeFromList(List<Location> locationList)
+        {
+            var treeBuilder = new LocationTreeBuilder();
+            var locationNode = treeBuilder.BuildTree(locationList);
+            this.LocationTree.Add(locationNode);
+        }
+
+        private void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/ViewModel/LogViewModel.cs b/LoggingClient/LoggingClient/ViewModel/LogViewModel.cs
index b128820..730ed3e 100755
--- a/LoggingClient/LoggingClient/ViewModel/LogViewModel.cs
+++ b/LoggingClient/LoggingClient/ViewModel/LogViewModel.cs
@@ -171,21 +171,15 @@ namespace LoggingClient.ViewModel
                         var reader = cmd.ExecuteReader();
                         while (reader.Read())
                         {
-                            // ISDBNull Check because location can be NULL in Database
-                            var location = "";
-                            if (!reader.IsDBNull(reader.GetOrdinal("location")))
-                            {
-                                location = reader.GetString("location");
-                            }
                             Logs.Add(new Logging(
-                                reader.GetInt32("id"),
-                                reader.GetString("pod"),
-                                location,
-                                reader.GetString("hostname"),
-                                reader.GetInt32("severity"),
-                                reader.GetDateTime("timestamp"),
-                                reader.GetString("message")
-                            ));
+                                reader.GetInt32(reader.GetOrdinal("id")),
+                                reader.GetValue(reader.GetOrdinal("pod")) as string,
+                                reader.GetValue(reader.GetOrdinal("location")) as string,
+                                reader.GetValue(reader.GetOrdinal("hostname")) as string,
+                                reader.GetInt32(reader.GetOrdinal("severity")),
+                                reader.GetDateTime(reader.GetOrdinal("timestamp")),
+                                reader.GetValue(reader.GetOrdinal("message")) as string
+                            )) ;
                         }
                     }
                     conn.Close();
diff --git a/LoggingClient/LoggingClient/ViewModel/NavigationViewModel.cs b/LoggingClient/LoggingClient/ViewModel/NavigationViewModel.cs
new file mode 100755
index 0000000..36cdaa7
--- /dev/null
+++ b/LoggingClient/LoggingClient/ViewModel/NavigationViewModel.cs
@@ -0,0 +1,46 @@
+using LoggingClient.ViewModel;
+using System.ComponentModel;
+using System.Windows.Input;
+using WpfControlNugget.ViewModel.Commands;
+
+namespace WpfControlNugget.ViewModel
+{
+    class NavigationViewModel : INotifyPropertyChanged
+    {
+        public ICommand LogsCommand { get; set; }
+        public ICommand LocationsCommand { get; set; }
+
+        private object _selectedViewModel;
+        public object SelectedViewModel
+        {
+            get => _selectedViewModel;
+            set { _selectedViewModel = value; OnPropertyChanged("SelectedViewModel"); }
+        }
+
+        public NavigationViewModel()
+        {
+            LogsCommand = new BaseCommand(OpenLogs);
+            LocationsCommand = new BaseCommand(OpenLocations);
+        }
+
+        private void OpenLogs(object obj)
+        {
+            SelectedViewModel = new LogViewModel();
+        }
+
+        private void OpenLocations(object obj)
+        {
+            SelectedViewModel = new LocationViewModel();
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        private void OnPropertyChanged(string propName)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(propName));
+            }
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/Views/LocationView.xaml b/LoggingClient/LoggingClient/Views/LocationView.xaml
new file mode 100755
index 0000000..6ff6d4b
--- /dev/null
+++ b/LoggingClient/LoggingClient/Views/LocationView.xaml
@@ -0,0 +1,121 @@
+<UserControl x:Class="LoggingClient.Views.LocationView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:LoggingClient.Views"
+             xmlns:validators="clr-namespace:LoggingClient.Validators"
+             xmlns:viewModel="clr-namespace:LoggingClient.ViewModel"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+
+    <!--<Control.DataContext>
+        <viewModel:LocationViewModel/>
+    </Control.DataContext>-->
+
+    <Grid Height="450" Width="800"  Background="#FF89A9B2" >
+        <TextBlock Height="32" HorizontalAlignment="Left" Margin="10,18,0,0" Name="TextBlockHeading" Text="Locations" VerticalAlignment="Top" Width="310"  FontSize="20" FontStretch="Normal"/>
+        <Grid HorizontalAlignment="Left" Height="416" VerticalAlignment="Top" Width="773">
+            <DataGrid Validation.ErrorTemplate="{x:Null}" CanUserAddRows="False" AutoGenerateColumns="False" HorizontalAlignment="Left" SelectedItem="{Binding MySelectedItem, Mode=TwoWay}" Margin="10,196,0,76" Name="DataGridLocations" Width="763" ItemsSource="{Binding Path=Locations}" CanUserResizeRows="False">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Binding="{Binding Path=Id}" Header="id" Width="1*" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=ParentId}" Header="ParentId" Width="1*" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=AddressId}" Header="AddressId" Width="1*" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=Designation}" Header="Designation" Width="1*" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=BuildingNr}" Header="BuildingNr" Width="1*" IsReadOnly="True" />
+                    <DataGridTextColumn Binding="{Binding Path=RoomNr}" Header="RoomNr" Width="1*" IsReadOnly="True" />
+                </DataGrid.Columns>
+            </DataGrid>
+            <TreeView Grid.Row="0" Margin="10,51,0,225" ItemsSource="{Binding LocationTree, UpdateSourceTrigger=PropertyChanged, NotifyOnSourceUpdated=true, Mode=TwoWay}">
+                <TreeView.ItemTemplate>
+                    <HierarchicalDataTemplate ItemsSource="{Binding ChildNodesList, UpdateSourceTrigger=PropertyChanged, NotifyOnSourceUpdated=true, Mode=TwoWay}">
+                        <TreeViewItem Header="{Binding}"/>
+                    </HierarchicalDataTemplate>
+                </TreeView.ItemTemplate>
+            </TreeView>
+
+            <!--<Button Content="Load Tree" Height="25" HorizontalAlignment="Left" Margin="703,181,0,0" x:Name="BtnLoadTreeClick" VerticalAlignment="Top" Width="70" Command="{Binding BtnBuildTreeClick}" />-->
+            <Button Content="Add" Height="25" HorizontalAlignment="Left" Margin="478,366,0,0" Name="BtnAdd" VerticalAlignment="Top" Width="70" Command="{Binding BtnAddDataClick}">
+                <Button.Style>
+                    <Style TargetType="{x:Type Button}">
+                        <Style.Triggers>
+                            <DataTrigger Binding="{Binding Text.Length, ElementName=EnterDesignation, UpdateSourceTrigger=PropertyChanged}" Value="0">
+                                <Setter Property="IsEnabled" Value="False"/>
+                            </DataTrigger>
+                            <DataTrigger Binding="{Binding Text.Length, ElementName=EnterBuildingNr, UpdateSourceTrigger=PropertyChanged}" Value="0">
+                                <Setter Property="IsEnabled" Value="False"/>
+                            </DataTrigger>
+                            <DataTrigger Binding="{Binding Text.Length, ElementName=EnterRoomNr, UpdateSourceTrigger=PropertyChanged}" Value="0">
+                                <Setter Property="IsEnabled" Value="False"/>
+                            </DataTrigger>
+                        </Style.Triggers>
+                    </Style>
+                </Button.Style>
+            </Button>
+            <Button Content="Update" Height="25" HorizontalAlignment="Left" Margin="553,366,0,0" Name="BtnUpdateDataClick" VerticalAlignment="Top" Width="70" Command="{Binding BtnUpdateDataClick}" />
+            <Button Content="Load Data" Height="25" HorizontalAlignment="Left" Margin="628,366,0,0" Name="BtnLoadDataClick" VerticalAlignment="Top" Width="70" Command="{Binding BtnLoadDataClick}" />
+            <Button Content="Delete" Height="25" HorizontalAlignment="Left" Margin="703,366,0,0" Name="BtnDeleteDataClick" VerticalAlignment="Top" Width="70" Command="{Binding BtnDeleteDataClick}"/>
+
+            <TextBox HorizontalAlignment="Left" Height="23" Margin="248,22,0,0" TextWrapping="Wrap" Text="{Binding TxtConnectionString}" Name="TxtConnectionString"  VerticalAlignment="Top" Width="525" />
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="10,366,0,0" TextWrapping="Wrap" x:Name="LocationId" VerticalAlignment="Top" Width="80" >
+                <Binding Path="NewLocationModelEntry.AddressId" UpdateSourceTrigger="PropertyChanged">
+                    <Binding.ValidationRules>
+                        <validators:IntRangeValidationRule
+                            MinimumLength="1" MaximumLength="10000"/>
+                    </Binding.ValidationRules>
+                </Binding>
+            </TextBox>
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="95,366,0,0" TextWrapping="Wrap" Name="EnterParentId" VerticalAlignment="Top" Width="80">
+                <TextBox.Text>
+                    <Binding Path="NewLocationModelEntry.ParentId" UpdateSourceTrigger="PropertyChanged">
+                        <Binding.ValidationRules>
+                            <validators:IntRangeValidationRule
+                                validators:MinimumLength="1" validators:MaximumLength="10000"/>
+                        </Binding.ValidationRules>
+                    </Binding>
+                </TextBox.Text>
+            </TextBox>
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="180,366,0,0" TextWrapping="Wrap" Name="EnterDesignation" VerticalAlignment="Top" Width="80">
+                <TextBox.Text>
+                    <Binding Path="NewLocationModelEntry.Designation" UpdateSourceTrigger="PropertyChanged">
+                        <Binding.ValidationRules>
+                            <validators:StringRangeValidationRule
+                                validators:MinimumLength="1" validators:MaximumLength="45"
+                                ErrorMessage="Designation must contain at least 1 characters up to 45" />
+                        </Binding.ValidationRules>
+                    </Binding>
+                </TextBox.Text>
+            </TextBox>
+
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="265,366,0,0" TextWrapping="Wrap" Name="EnterBuildingNr" VerticalAlignment="Top" Width="80">
+                <TextBox.Text>
+                    <Binding Path="NewLocationModelEntry.BuildingNr" UpdateSourceTrigger="PropertyChanged">
+                        <Binding.ValidationRules>
+                            <validators:IntRangeValidationRule
+                                validators:MinimumLength="1" validators:MaximumLength="10000"/>
+                        </Binding.ValidationRules>
+                    </Binding>
+                </TextBox.Text>
+            </TextBox>
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="350,366,0,0" TextWrapping="Wrap" Name="EnterRoomNr" VerticalAlignment="Top" Width="80" >
+                <TextBox.Text>
+                    <Binding Path="NewLocationModelEntry.RoomNr" UpdateSourceTrigger="PropertyChanged">
+                        <Binding.ValidationRules>
+                            <validators:IntRangeValidationRule
+                                validators:MinimumLength="1" validators:MaximumLength="10000"/>
+                        </Binding.ValidationRules>
+                    </Binding>
+                </TextBox.Text>
+            </TextBox>
+
+            <!--<ComboBox x:Name="SeverityCombobox" DisplayMemberPath="Severity" SelectedValuePath="id" ItemsSource="{Binding SeverityComboBox}" SelectedValue="{Binding Path=Severity , Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Margin="240,359,470,66" Width="90" Height="25"/>-->
+
+            <Label Content="Database Connection" HorizontalAlignment="Left" Margin="118,22,0,0" VerticalAlignment="Top" Height="23" Width="125" Background="{x:Null}" RenderTransformOrigin="0.366,0.725"/>
+            <Label Content="LocationId" HorizontalAlignment="Left" Margin="10,340,0,0" VerticalAlignment="Top" Width="80" FontSize="12"/>
+            <Label Content="ParentId" HorizontalAlignment="Left" Margin="95,340,0,0" VerticalAlignment="Top" Width="80" FontSize="12"/>
+            <Label Content="Designation" HorizontalAlignment="Left" Margin="180,340,0,0" VerticalAlignment="Top" Width="80" FontSize="12"/>
+            <Label Content="BuildingNr" HorizontalAlignment="Left" Margin="265,340,0,0" VerticalAlignment="Top" Width="80" FontSize="12"/>
+            <Label Content="RoomNr" HorizontalAlignment="Left" Margin="350,340,0,0" VerticalAlignment="Top" Width="80" FontSize="12"/>
+        </Grid>
+    </Grid>
+</UserControl>
diff --git a/LoggingClient/LoggingClient/Views/LocationView.xaml.cs b/LoggingClient/LoggingClient/Views/LocationView.xaml.cs
new file mode 100755
index 0000000..f2844c0
--- /dev/null
+++ b/LoggingClient/LoggingClient/Views/LocationView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace LoggingClient.Views
+{
+    /// <summary>
+    /// Interaction logic for LocationView.xaml
+    /// </summary>
+    public partial class LocationView : UserControl
+    {
+        public LocationView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/LoggingClient/LoggingClient/Views/LogView.xaml b/LoggingClient/LoggingClient/Views/LogView.xaml
old mode 100644
new mode 100755
index ed4f076..4e5cc6e
--- a/LoggingClient/LoggingClient/Views/LogView.xaml
+++ b/LoggingClient/LoggingClient/Views/LogView.xaml
@@ -6,14 +6,14 @@
              xmlns:local="clr-namespace:LoggingClient.Views"
              xmlns:validators="clr-namespace:LoggingClient.Validators"
              mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
+             d:DesignHeight="425" d:DesignWidth="800">
 
 
-    <Grid Height="450" Width="800"  Background="#FF89A9B2" >
+    <Grid Width="800"  Background="#FF89A9B2" >
 
         <TextBlock Height="32" HorizontalAlignment="Left" Margin="10,18,0,0" Name="TextBlockHeading"
 Text="LogReader" VerticalAlignment="Top" Width="310"  FontSize="20" FontStretch="Normal"/>
-        <Grid HorizontalAlignment="Left" Height="416" VerticalAlignment="Top" Width="773">
+        <Grid HorizontalAlignment="Left" Height="425" VerticalAlignment="Top" Width="773">
             <DataGrid AutoGenerateColumns="False" HorizontalAlignment="Left" SelectedItem="{Binding MySelectedItem, Mode=TwoWay}" Margin="10,55,0,97" Name="DataGridCustomers" Width="780" ItemsSource="{Binding Path=Logs}"
 CanUserResizeRows="False">
                 <DataGrid.Columns>
@@ -29,10 +29,10 @@ CanUserResizeRows="False">
             <Label Content="Database Connection" HorizontalAlignment="Left" Margin="118,22,0,0" VerticalAlignment="Top" Height="23" Width="125" Background="{x:Null}" RenderTransformOrigin="0.366,0.725"/>
             <TextBox HorizontalAlignment="Left" Height="23" Margin="248,22,0,0" TextWrapping="Wrap" Text="{Binding TxtConnectionString}" Name="TxtConnectionString"  VerticalAlignment="Top" Width="525" />
 
-            <Button Content="Find duplicate" Height="25" HorizontalAlignment="Left" Margin="545,355,0,0" x:Name="BtnFindDuplicate" VerticalAlignment="Top" Width="78" Command="{Binding BtnFindDuplicateClick}" />
-            <Button Content="Load Data" Height="25" HorizontalAlignment="Left" Margin="628,355,0,0" Name="Btnloaddata" VerticalAlignment="Top" Width="70" Command="{Binding BtnLoadDataClick}" />
-            <Button Content="Confirm" Height="25" HorizontalAlignment="Left" Margin="703,355,0,0" Name="BtnConfirm" VerticalAlignment="Top" Width="70" Command="{Binding BtnConfirmDataClick}"/>
-            <Button Content="Add" Height="25" HorizontalAlignment="Left" Margin="470,355,0,0" Name="BtnAdd" VerticalAlignment="Top" Width="70" Command="{Binding BtnAddDataClick}">
+            <Button Content="Find duplicate" Height="25" HorizontalAlignment="Left" Margin="545,380,0,0" x:Name="BtnFindDuplicate" VerticalAlignment="Top" Width="78" Command="{Binding BtnFindDuplicateClick}" />
+            <Button Content="Load Data" Height="25" HorizontalAlignment="Left" Margin="628,380,0,0" Name="Btnloaddata" VerticalAlignment="Top" Width="70" Command="{Binding BtnLoadDataClick}" />
+            <Button Content="Confirm" Height="25" HorizontalAlignment="Left" Margin="703,380,0,0" Name="BtnConfirm" VerticalAlignment="Top" Width="70" Command="{Binding BtnConfirmDataClick}"/>
+            <Button Content="Add" Height="25" HorizontalAlignment="Left" Margin="470,380,0,0" Name="BtnAdd" VerticalAlignment="Top" Width="70" Command="{Binding BtnAddDataClick}">
                 <Button.Style>
                     <Style TargetType="{x:Type Button}">
                         <Style.Triggers>
@@ -52,7 +52,7 @@ CanUserResizeRows="False">
                     </Style>
                 </Button.Style>
             </Button>
-            <TextBox HorizontalAlignment="Left" Height="25" Margin="10,355,0,0" TextWrapping="Wrap" Name="EnterPod" VerticalAlignment="Top" Width="110">
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="10,350,0,0" TextWrapping="Wrap" Name="EnterPod" VerticalAlignment="Top" Width="110">
                 <TextBox.Text>
                     <Binding Path="EnterPod" UpdateSourceTrigger="PropertyChanged">
                         <Binding.ValidationRules>
@@ -62,7 +62,7 @@ CanUserResizeRows="False">
                     </Binding>
                 </TextBox.Text>
             </TextBox>
-            <TextBox HorizontalAlignment="Left" Height="25" Margin="125,355,0,0" TextWrapping="Wrap" Name="EnterHostname" VerticalAlignment="Top" Width="110">
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="125,350,0,0" TextWrapping="Wrap" Name="EnterHostname" VerticalAlignment="Top" Width="110">
                 <TextBox.Text>
                     <Binding Path="EnterHostname" UpdateSourceTrigger="PropertyChanged">
                         <Binding.ValidationRules>
@@ -72,7 +72,7 @@ CanUserResizeRows="False">
                     </Binding>
                 </TextBox.Text>
             </TextBox>
-            <TextBox HorizontalAlignment="Left" Height="25" Margin="240,355,0,0" TextWrapping="Wrap" Name="EnterSeverity" VerticalAlignment="Top" Width="110" >
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="240,350,0,0" TextWrapping="Wrap" Name="EnterSeverity" VerticalAlignment="Top" Width="110" >
                 <TextBox.Text>
                     <Binding Path="EnterSeverity" UpdateSourceTrigger="PropertyChanged">
                         <Binding.ValidationRules>
@@ -81,7 +81,7 @@ CanUserResizeRows="False">
                     </Binding>
                 </TextBox.Text>
             </TextBox>
-            <TextBox HorizontalAlignment="Left" Height="50" Margin="355,355,0,0" TextWrapping="Wrap" Name="EnterMessage" VerticalAlignment="Top" Width="110">
+            <TextBox HorizontalAlignment="Left" Height="25" Margin="355,350,0,0" TextWrapping="Wrap" Name="EnterMessage" VerticalAlignment="Top" Width="418" RenderTransformOrigin="0.5,0.5">
                 <TextBox.Text>
                     <Binding Path="EnterMessage" UpdateSourceTrigger="PropertyChanged">
                         <Binding.ValidationRules>