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Value does not fall within the expected range

Thread ID:





57871 Mar 13,2007 07:46 AM Mar 13,2007 10:47 AM Windows Forms 1
Tags: GridControl
Sathish Chandran
Asked On March 13, 2007 07:46 AM


I'm getting this error, I could not trace why this error is happening. Can you please suggest me, why this error is happening?


Value does not fall within the expected range.
at Syncfusion.Windows.Forms.Grid.GridRangeInfo..ctor(Int32 top, Int32 left, Int32 bottom, Int32 right)
at Syncfusion.Windows.Forms.Grid.GridRangeInfo.InternalCells(Int32 top, Int32 left, Int32 bottom, Int32 right)
at Syncfusion.Windows.Forms.Grid.GridModelFloatingCells.EvaluateFloatingCells(GridControlBase pGrid, GridRangeInfo range, Int32 nfr, Int32 nfc, Int32 nTopRow, Int32 nLeftCol, Int32 nLastRow, Int32 nLastCol, GridRangeInfo& prgBoundary)
at Syncfusion.Windows.Forms.Grid.GridControlBase.EvaluateVisibleFloatingCells(GridRangeInfo range)
at Syncfusion.Windows.Forms.Grid.GridControlBase.OnBeforePaint(EventArgs e)
at Syncfusion.Windows.Forms.Grid.GridControlBase.WndProc(Message& msg)
at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


Thanks & Regards,

Administrator [Syncfusion]
Replied On March 13, 2007 10:47 AM

Hi Sathish,

The error which you have mentioned, is an indication of threading issues. Are there multiple threads involved in your appilcation? If so, please check the Knowledge Base(KB) article link below.

Intermittant errors can be indications of threading issues. Any calls into the grid must be done on the thread that creates it, and you can use grid.InvokeRequired to check for this.
Here is a sample.

Best Regards,


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