Sorry, Mun, I don't have any more ideas. I tried this on a sample grid and it worked perfectly.

You're welcome to send me a copy of the form and I can look it over for you (just click on the white envelope by my name for an email address).

Barbara

>Hi Barbara
>
>There is typing mistake in my previous mail. Actually I reset the current control as myform.mygrid.column1.currentcontrol = "mycheckbox"
>It gives the error message as I have mentioned in the previous mail
>
>
>Mun