what shall i do for the following exception ? it is related to GridgroupingControl TableDescriptor

[David Cui]

System.NullReferenceException: Object reference not set to an instance of an object.
at Syncfusion.Windows.Forms.Grid.Grouping.GridTableDescriptor.EnsureSummaryDescriptors()
at Syncfusion.Grouping.Table.CategorizeElements()
at Syncfusion.Grouping.Table.OnEnsureInitialized(Object sender)
at Syncfusion.Grouping.Element.EnsureInitialized(Object sender, Boolean notifyParent)
at Syncfusion.Grouping.Table.EnsureInitialized(Object sender, Boolean notifyParent)
at Syncfusion.Grouping.Table.get_TopLevelGroup()
at Syncfusion.Windows.Forms.Grid.Grouping.GridTableControl.InternalGetFrozenRows()
at Syncfusion.Windows.Forms.Grid.Grouping.GridTableControl.FixTopLeftRowCol()
at Syncfusion.Windows.Forms.Grid.Grouping.GridTableControl.OnBeforePaint(EventArgs e)
at Syncfusion.Windows.Forms.Grid.GridControlBase.WndProc(Message& msg)
at Syncfusion.Windows.Forms.Grid.Grouping.GridTableControl.WndProc(Message& msg)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

[Lingaraj S]

Hi David,

Thank you for your interest in Syncfusion products.

From the stack trace i couldn't understand the complete issue.please provide more details regarding properties and events.

Let me know if you have any queries.

Regards,
Lingaraj S