DataGridView ShowInsertRow Error

[shiras abdulrahman]

Hi
I have a hierarchical grid, I have enabled the ShowInsertRow for both the parent and child grid.
now when i click on the parent show insert row, a new row appears and i am able to add a value into it. if I TAB out of the editting row there is no issues, problem starts if i use the mouse and click on any other parent row.  the below error is displayed .

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET4.0C; .NET4.0E; .NET CLR 3.5.30729; .NET CLR 3.0.30729)
Timestamp: Tue, 12 Apr 2011 12:00:46 UTC

Message: Unhandled Error in Silverlight Application
Code: 4004   
Category: ManagedRuntimeError      
Message: System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.Windows.Controls.GridView.GridViewDataControl.get_IsInEditMode()
   at Telerik.Windows.Controls.GridView.GridViewDataControl.OnCurrentCellInfoChanging(GridViewCellInfo oldCell, GridViewCellInfo newCell)
   at Telerik.Windows.Controls.GridView.GridViewDataControl.set_CurrentCellInfo(GridViewCellInfo value)
   at Telerik.Windows.Controls.GridView.GridViewCell.OnGotFocus(RoutedEventArgs e)
   at System.Windows.Controls.Control.OnGotFocus(Control ctrl, EventArgs e)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName)    

Line: 62
Char: 13
Code: 0

For the parent grid, I have the following events,  

 

 

BeginningEdit

 

 

RowEditEnded
CellValidating

Please let me know your thoughts, this is a highly important delivarable. request you to respond ASAP.

 

 

 

[Vlad]

Hi,

 Can you post more info about the grid version? Is it our latest official - Q1 2011?

All the best,
Vlad
the Telerik team

[Ravi]

Yes,

I am using the latest version. Please find the file attached with the workflow. Need solution ASAP as i got a demo.

Thanks,
Shiras

[Yordanka]

Hi David,

Could you send us a demonstration project where the exception appears? We have tried the scenario and no exception can be reproduced. Here is a short video demonstrating the steps we took for testing the case.
 
Kind regards,
Yordanka
the Telerik team