System.InvalidOperationException: Collection was modified; enumeration operation may not execute.

[Madhav]

Hi

I'm using a trial copy of RadControls for WinForms Q2 2009 SP1,version 2009.2.9.729 for development

And i get the following Error in WinForms.Gridview

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just-in-time (JIT) debugging instead of this dialog box.

/************** Exception Text **************
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.

at System.Collections.ArrayList.ArrayListEnumeratorSimple.MoveNext()
at Telerik.WinControls.RadElementCollection.RadElementEnumerator.MoveNext()
at Telerik.WinControls.UI.GridRowElement.UpdateInfo()
at Telerik.WinControls.UI.GridDataRowElement.UpdateInfo()
at Telerik.WinControls.UI.GridRowElement.Initialize(GridViewRowInfo rowInfo)
at Telerik.WinControls.UI.GridTableBodyElement.UpdateRow(Int32 position, GridViewRowInfo rowInfo)
at Telerik.WinControls.UI.GridTableBodyElement.UpdateRowElements(IEnumerable`1 rows, RectangleF clientRect, Single& y, Int32& position, Int32 startIndex, Int32& added, Single left, Single width)
at Telerik.WinControls.UI.GridTableBodyElement.ArrangeOverride(SizeF finalSize)
at Telerik.WinControls.RadElement.ArrangeCore(RectangleF finalRect)
at Telerik.WinControls.RadElement.Arrange(RectangleF finalRect)
at Telerik.W inControls.UI.GridTableElement.ArrangeOverride(SizeF finalSize)
at Telerik.WinControls.RadElement.ArrangeCore(RectangleF finalRect)
at Telerik.WinControls.RadElement.Arrange(RectangleF finalRect)
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayout()
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayoutCallback(ILayoutManager manager)/

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Thanks
Madhav

[Jack]

Hi Madhav,

Thank you for contacting us. However, the provided information is not enough for us to locate the reported issue. Please, describe the exact steps to reproduce it. We will appreciate if you send us a sample application that reproduces the issue. Thank you in advance for your cooperation.

All the best,
Jack
the Telerik team

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