>Hi Naomi,
>
>Thank's. Maybe your approach is the sounder one, although I can't offhand say why. I'll certainly give it a try.
>
>As to the try...catch, my thinking was that, if the replace, for whatever reason, were to cause an error, I don't want the whole app to fail.
>
>In the meantime I've narrowed the issue down: the enter on the checkbox for some reason causes the grids columncount to be set to zero. Why, I don't know.
>
Do you have a button on your form with Default property set to true?