Maurizio,
>I understand what you are telling, and how it should work.
>
>But please try at your site if you have the same problem, it would help me to know if it works for you.
Are you using C# or VB .NET...I seem to remember some problem with VB .NET in this area. Anyway, why don't you send me your form via private e-mail.
Best Regards,
Kevin McNeish
Eight-Time .NET MVP
VFP and iOS Author, Speaker & Trainer
Oak Leaf Enterprises, Inc.
Chief Architect, MM Framework
http://www.oakleafsd.com