Unable to cast object of type 'System.EventArgs' to type 'System.Windows.Forms.GiveFeedbackEventArgs'.
This is an Error while loading a page .
Page loading Contains functions for filling combobox and grid .
I can't able to Traise where the error occurs.Please help

You'll have to show some code.

thank u for ur response
I solved the problem.I used GiveFeedback event in place of onfocus event of a textbox.
problem solved by deleting givefeedbackevent

That's good. Please remember to mark this solved, thanks.