change row header

I am using a grouping grid control with row headers. I would like to change the text shown in the row headers whenever I click on a cell in the grid. The text shown in the row headers depends on what column the clicked cell belongs to. I am able to do the change headers using the QueryCellStyleInfo event but this is slow and only adjusts the row header of the row in which I have clicked. I would like all the row headers to change. I would like to change the header using the TableControlCellClick event but I am unable to assign string values to the text fields of the row headers.

Hi Vijay, Your D-Trac incident ( # 24770 ) has been updated. Please refer to your incident for more details. Thanks for the patience. Best regards, Haneef