>>After reading your message I played with moving focus again and now the problem dissapeared. Moving focus from grid to page before actual action was the solution. I still did not know why my other very similar forms did not need the special treatment. But it works and now I am happy - thanks !
>
>Hi Jozef,
>
>I believe there is an alternative workaround, take a look into message #799473.
>
>Thanks,
>Aleksey.

Thanks Aleksey - you are helpfull as always. I think that it would be very good if your explanation would be in VFP9 help.