Vinod,
Add code to refresh the column in your InteractiveChange() method:

Myform.Grid1.Column3.refresh()

Barbara

>There are 3 columns in my grid :-
>
>Account Code, Description, Amount
>First is a combo box, second is a calculate column & third is normal field
>
>Based on the account code choosen, 2nd column description is updated..
>
>I've put code in interactivechange of first column to update value in 2nd column..
>
>Problem is, till the field is not getting focus, value is not updating... If I go through debugger and try to chk values, it is getting updated...