This is a migrated thread and some comments may be shown as answers.

Drag n Drop between ListBox and RadGridView

1 Answer 107 Views

GridView

This is a migrated thread and some comments may be shown as answers.

This question is locked. New answers and comments are not allowed.

Pradnya asked on 22 May 2012, 04:53 PM

Hi

I have implemented reordering functionality in RadGridView its works fine. But when I am doing Drag n Drop functionality with ListBox and same grid view at that time its throwing following exception

Stack Trace:
   at MS.Internal.XcpImports.CheckHResult(UInt32 hr)
   at MS.Internal.XcpImports.Collection_AddValue[T](PresentationFrameworkCollection`1 collection, CValue value)
   at MS.Internal.XcpImports.Collection_AddDependencyObject[T](PresentationFrameworkCollection`1 collection, DependencyObject value)
   at System.Windows.PresentationFrameworkCollection`1.AddDependencyObject(DependencyObject value)
   at System.Windows.Controls.UIElementCollection.AddInternal(UIElement value)
   at System.Windows.Controls.ItemsControl.AddVisualChild(Int32 containerIndex, DependencyObject container, Boolean needPrepareContainer)
   at System.Windows.Controls.ItemsControl.AddContainers()
   at System.Windows.Controls.ItemsControl.RecreateVisualChildren(IntPtr nativeItemsControl)

Message
Element is already the child of another element.

Please help me how to resolve this issue?

Thanks-

Drag n Drop between ListBox and RadGridView

1 Answer, 1 is accepted