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Application Error occurs when scrolling(mouse wheel) an empty grid

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GridView
This is a migrated thread and some comments may be shown as answers.
shay keren
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shay keren asked on 19 Oct 2009, 02:15 PM
HI,
I'm getting an application error whenever I'm doing a mouse wheel scrolling on an empty grid.
Some details:

===================================

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index (mscorlib)

------------------------------
Program Location:

   at System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   at System.ThrowHelper.ThrowArgumentOutOfRangeException()
   at System.Collections.Generic.List`1.get_Item(Int32 index)
   at System.Collections.ObjectModel.Collection`1.get_Item(Int32 index)
   at Telerik.Windows.Controls.GridView.GridViewVirtualizingPanel.LineUp()
   at Telerik.Windows.Controls.GridView.GridViewScrollViewer.OnMouseWheel(MouseWheelEventArgs e)
   at System.Windows.UIElement.OnMouseWheelThunk(Object sender, MouseWheelEventArgs e)
   at System.Windows.Input.MouseWheelEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   at System.Windows.Input.InputManager.ProcessStagingArea()
   at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)

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Vlad
Telerik team
answered on 19 Oct 2009, 02:36 PM
Hello,

This is already fixed in our latest internal build.

All the best,
Vlad
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Gai Tamir
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answered on 27 Oct 2009, 08:01 AM
hi,
I would like to know when you are planning to release officially version with the current issue resolved.
thanks
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Vlad
Telerik team
answered on 27 Oct 2009, 08:07 AM
Hi,

The official Q3 release is scheduled for the first week of November.

Greetings,
Vlad
the Telerik team

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Binu Abraham
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answered on 04 Nov 2009, 11:35 PM
Hi
Is there a quick fix that can be done in the application code, to prevent this error from happening?

Regards
Binu
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GridView
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shay keren
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Answers by
Vlad
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Gai Tamir
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Binu Abraham
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