Of course! The grid accessing the data directly is the issue. Wrapping the form in a prg could not possibly help.

>Hi Kamil,
>
>To be honest I don't know how to wrap a form in a prg. I don't know if it worht learning at this point.
>
>If your interested, I did another test, I remove the grid and put a txt box for one filed in the child table. Ofcourse it shows only the value of the first record in the child table but that was enough for a test. Guess what, everything is very quick!