>>So the algoritm can be:
>>
>>1. Add a new grid to form
>>2. Remove the old rid
>>3. Change the name property of newly added grid to the name of old grid.
>
>Didn't think of (3), but why not, if it would make it easy on the rest of the form.
>
>>Or maybe somebody can look to my source code and find some simple solution
>>to make some minor change to eliminate C5 ?
>
>Since I already have your tables and other stuff, just email me what it takes.

I e-mailed the complete c5 demo sources and databases to you.
Is it possible to modify this code without losing its functionality so
that c5 error will never occur?