diff --git a/GridView/BindingToDynamicObject/Readme.md b/GridView/BindingToDynamicObject/Readme.md
index b9073adb..a3ef1b1c 100644
--- a/GridView/BindingToDynamicObject/Readme.md
+++ b/GridView/BindingToDynamicObject/Readme.md
@@ -1,4 +1,4 @@
 ##Binding to DynamicObject##
-This example demonstrates how a DynamicObject can be implemented and bound to RadGridView.
+This example demonstrates how a DynamicObject can be bound to RadGridView.
 
 <KeyWords: bind, dynamicobject, dynamic>
\ No newline at end of file
diff --git a/GridView/ValidationINotifyDataErrorInfo/MainWindow.xaml b/GridView/ValidationINotifyDataErrorInfo/MainWindow.xaml
index 62fda18d..60987b61 100644
--- a/GridView/ValidationINotifyDataErrorInfo/MainWindow.xaml
+++ b/GridView/ValidationINotifyDataErrorInfo/MainWindow.xaml
@@ -3,7 +3,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
         xmlns:my="clr-namespace:ValidateINotifyDataErrorInfo"
-        Title="MainWindow" Height="400" Width="700">
+        Title="MainWindow" Height="600" Width="900">
     <Window.Resources>
         <my:MyViewModel x:Key="MyViewModel"/>
         <Style TargetType="TextBox" x:Key="editorStyle">
@@ -13,7 +13,7 @@
     <Grid DataContext="{StaticResource MyViewModel}">
         <Grid.RowDefinitions>
             <RowDefinition Height="*"/>
-            <RowDefinition Height="20"/>
+            <RowDefinition Height="Auto"/>
             <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
         <telerik:RadGridView Grid.Row="0" 
@@ -31,8 +31,14 @@
                                             DataFormatString="{}{0:N0}"/>
             </telerik:RadGridView.Columns>
         </telerik:RadGridView>
-        <TextBlock Text="RadGridView with dynamic validation" Grid.Row="1"/>
+        <TextBlock Text="RadGridView with dynamic validation. Modifying the data from the first RadGridView, so that a validation error appears, results in an update of the second RadGridView as well." 
+                   Foreground="DarkRed"
+                   HorizontalAlignment="Left"
+                   Width="650"
+                   TextWrapping="Wrap" 
+                   Grid.Row="1"/>
         <telerik:RadGridView Grid.Row="2" 
+                             IsReadOnly="True"
                              ItemsSource="{Binding Clubs}"
                              AutoGenerateColumns="False"
                              Margin="5">
diff --git a/GridView/VariousDataSources/BindingType.cs b/GridView/VariousDataSources/BindingType.cs
new file mode 100644
index 00000000..e3da1c4b
--- /dev/null
+++ b/GridView/VariousDataSources/BindingType.cs
@@ -0,0 +1,19 @@
+using System.ComponentModel;
+
+namespace VariousDataSources
+{
+    public enum BindingType
+    {
+        [Description("Dynamic Data")]
+        DynamicData,
+
+        [Description("ObservableCollection")]
+        ObservableCollection,
+
+        [Description("Data Table")]
+        DataTable,
+
+        [Description("Xml")]
+        Xml
+    }
+}
diff --git a/GridView/VariousDataSources/Club.cs b/GridView/VariousDataSources/Club.cs
new file mode 100644
index 00000000..56506214
--- /dev/null
+++ b/GridView/VariousDataSources/Club.cs
@@ -0,0 +1,40 @@
+using System.Collections.ObjectModel;
+using System.Collections.Generic;
+using System;
+
+namespace VariousDataSources
+{
+    public class Club
+    {
+        public Club(string name, DateTime established, int stadiumCapacity)
+        {
+            this.Name = name;
+            this.Established = established;
+            this.StadiumCapacity = stadiumCapacity;
+        }
+        public string Name
+        {
+            get;
+            set;
+        }
+        public DateTime? Established
+        {
+            get;
+            set;
+        }
+        public int StadiumCapacity
+        {
+            get;
+            set;
+        }
+        public static IEnumerable<Club> GetClubs()
+        {
+            ObservableCollection<Club> clubs = new ObservableCollection<Club>();
+            clubs.Add(new Club("Liverpool", new DateTime(1892, 1, 1), 45362));
+            clubs.Add(new Club("Manchester Utd.", new DateTime(1878, 1, 1), 76212));
+            clubs.Add(new Club("Chelsea", new DateTime(1905, 1, 1), 42055));
+            clubs.Add(new Club("Arsenal", new DateTime(1886, 1, 1), 60355));
+            return clubs;
+        }
+    }
+}
diff --git a/GridView/VariousDataSources/MyModel.cs b/GridView/VariousDataSources/MyModel.cs
index 578d93e8..0c80cd17 100644
--- a/GridView/VariousDataSources/MyModel.cs
+++ b/GridView/VariousDataSources/MyModel.cs
@@ -5,7 +5,6 @@ using System.Collections.Generic;
 using System;
 using System.Windows.Data;
 using Telerik.Windows.Data;
-using System.ComponentModel;
 using System.Xml.Linq;
 using System.Xml;
 using System.Data;
@@ -182,53 +181,4 @@ namespace VariousDataSources
             return table;
         }
     }
-
-    public class Club
-    {
-        public Club(string name, DateTime established, int stadiumCapacity)
-        {
-            this.Name = name;
-            this.Established = established;
-            this.StadiumCapacity = stadiumCapacity;
-        }
-        public string Name
-        {
-            get;
-            set;
-        }
-        public DateTime? Established
-        {
-            get;
-            set;
-        }
-        public int StadiumCapacity
-        {
-            get;
-            set;
-        }
-        public static IEnumerable<Club> GetClubs()
-        {
-            ObservableCollection<Club> clubs = new ObservableCollection<Club>();
-            clubs.Add(new Club("Liverpool", new DateTime(1892, 1, 1), 45362));
-            clubs.Add(new Club("Manchester Utd.", new DateTime(1878, 1, 1), 76212));
-            clubs.Add(new Club("Chelsea", new DateTime(1905, 1, 1), 42055));
-            clubs.Add(new Club("Arsenal", new DateTime(1886, 1, 1), 60355));
-            return clubs;
-        }
-    }
-
-    public enum BindingType
-    {
-        [Description("Dynamic Data")]
-        DynamicData,
-
-        [Description("ObservableCollection")]
-        ObservableCollection,
-
-        [Description("Data Table")]
-        DataTable,
-
-        [Description("Xml")]
-        Xml
-    }
 }
diff --git a/GridView/VariousDataSources/VariousDataSources_WPF.csproj b/GridView/VariousDataSources/VariousDataSources_WPF.csproj
index 3a089cbb..a618bb38 100644
--- a/GridView/VariousDataSources/VariousDataSources_WPF.csproj
+++ b/GridView/VariousDataSources/VariousDataSources_WPF.csproj
@@ -98,6 +98,8 @@
       <DependentUpon>App.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="BindingType.cs" />
+    <Compile Include="Club.cs" />
     <Compile Include="MainWindow.xaml.cs">
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
diff --git a/ScheduleView/CustomDragDropBehavior/CustomScheduleViewDragDropBehavior.cs b/ScheduleView/CustomDragDropBehavior/CustomScheduleViewDragDropBehavior.cs
index c9adeab6..8841fe6f 100644
--- a/ScheduleView/CustomDragDropBehavior/CustomScheduleViewDragDropBehavior.cs
+++ b/ScheduleView/CustomDragDropBehavior/CustomScheduleViewDragDropBehavior.cs
@@ -11,7 +11,7 @@ namespace CustomDragDropBehavior
     {
         public override bool CanDrop(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
 
             if (appointment.Resources.Count > 0 && appointment.Resources.First() != state.DestinationSlots.First().Resources.First())
             {
@@ -23,7 +23,7 @@ namespace CustomDragDropBehavior
 
         public override void Drop(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
 
             if (appointment.IsDraggedFromListBox)
             {
@@ -54,7 +54,7 @@ namespace CustomDragDropBehavior
 
         public override bool CanStartResize(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
 
             if (appointment.IsReadOnly)
             {
@@ -66,7 +66,7 @@ namespace CustomDragDropBehavior
 
         public override void Resize(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
             var destinationSlot = state.DestinationSlots.First() as Slot;
             var duration = destinationSlot.End - destinationSlot.Start;
             appointment.Body = "Resize finished. New duration: " + duration.ToString("h\\:mm\\:ss");
@@ -75,14 +75,14 @@ namespace CustomDragDropBehavior
 
         public override void ResizeCanceled(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
             appointment.Body = "Resize Canceled";
             base.ResizeCanceled(state);
         }
 
         public override bool CanStartDrag(DragDropState state)
         {
-            var draggedAppointment = state.Appointment as CustomAppointment;
+            var draggedAppointment = GetAppointment(state.Appointment) as CustomAppointment;
 
             if (draggedAppointment.IsReadOnly)
             {
@@ -94,7 +94,7 @@ namespace CustomDragDropBehavior
 
         public override IEnumerable<IOccurrence> CoerceDraggedItems(DragDropState state)
         {
-            var resource = (state.Appointment as Appointment).Resources.First();
+            var resource = (GetAppointment(state.Appointment) as Appointment).Resources.First();
             var allAppointments = state.SourceAppointmentsSource.Cast<IOccurrence>();
             var desiredAppointments = allAppointments.Where(a => (a as Appointment).Resources.Any(r => r == resource) && !(a as CustomAppointment).IsReadOnly);
             return desiredAppointments;
@@ -118,16 +118,28 @@ namespace CustomDragDropBehavior
 
         public override void DragDropCanceled(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
             appointment.Body = "DragDrop canceled at: " + DateTime.Now;
             base.DragDropCanceled(state);
         }
 
         public override void DragDropCompleted(DragDropState state)
         {
-            var appointment = state.Appointment as CustomAppointment;
+            var appointment = GetAppointment(state.Appointment) as CustomAppointment;
             appointment.Body = "DragDrop completed at: " + DateTime.Now;
             base.DragDropCompleted(state);
         }
+
+		private Appointment GetAppointment(IOccurrence occurance)
+		{
+			var appointment = occurance as CustomAppointment;
+			if (appointment == null)
+			{
+				var currentOccurance = occurance as Occurrence;
+				appointment = currentOccurance.Appointment as CustomAppointment;
+			}
+
+			return appointment;
+		}
     }
 }