diff --git a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml
index aec19954..8751a329 100644
--- a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml
+++ b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml
@@ -29,7 +29,7 @@
          <RowDefinition Height="Auto" />
       </Grid.RowDefinitions>
 
-      <local:CollectionControl x:Name="_collectionControl"
+		<local:CollectionControl x:Name="_localCollectionControl"
                                ItemsSourceType="{Binding ItemsSourceType, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}}"
                                ItemsSource="{Binding ItemsSource, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}, Mode=TwoWay}"
                                NewItemTypes="{Binding NewItemTypes, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}}"
diff --git a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml.cs b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml.cs
index db766804..e1478728 100644
--- a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml.cs
+++ b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/CollectionControl/Implementation/CollectionControlDialog.xaml.cs
@@ -117,7 +117,7 @@ namespace Xceed.Wpf.Toolkit
     {
       get
       {
-        return _collectionControl;
+        return _localCollectionControl;
       }
     }
 
@@ -175,14 +175,14 @@ namespace Xceed.Wpf.Toolkit
         }
       }
 
-      _collectionControl.PersistChanges();
+      _localCollectionControl.PersistChanges();
       this.DialogResult = true;
       this.Close();
     }
 
     private void CancelButton_Click( object sender, RoutedEventArgs e )
     {
-      _collectionControl.PersistChanges( originalData );
+      _localCollectionControl.PersistChanges( originalData );
       this.DialogResult = false;
       this.Close();
     }
@@ -329,7 +329,7 @@ namespace Xceed.Wpf.Toolkit
 
     private bool AreDictionaryKeysValid()
     {
-      var keys = _collectionControl.Items.Select( x =>
+      var keys = _localCollectionControl.Items.Select( x =>
       {
         var keyType = x.GetType().GetProperty( "Key" );
         if( keyType != null )
@@ -339,7 +339,7 @@ namespace Xceed.Wpf.Toolkit
         return null;
       } );
 
-      return ( keys.Distinct().Count() == _collectionControl.Items.Count )
+      return ( keys.Distinct().Count() == _localCollectionControl.Items.Count )
              && keys.All( x => x != null );
     }