>Hi Again Rodolfo
I checked out the article and as suggested moved all the code into the LOSTFOCUS method. It now works fine. Thank you for your suggestion.

Regards,
Carmen

Hi Carmen,
>
>Sorry. It is a bug. Which version are you using?
>
>Take a look at Microsoft Knowledge Base Article - Q139959
>http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q139959&
>
>I have a program made by VFP 5 and this program has a similar problem. I've made I little test using VFP 7 and I think this problem has been solved.
>
>[]s!