Unfortunately you can't validate Radio Buttons or Check boxes with ABVFP v2.0 because their values simply are NOT sent if they are not checked.

We are releasing ABVFP 2.2 in a couple of days. It will allow some enhancements among which what you are asking for, just download and replace the main file and you will be ok.

__________________
Navaldesign
Logger Lite: Low Cost, Customizable, multifeatured Login script
Instant Download Cart: a Powerfull, Customized, in site, DB driven, e-products Cart
DBTechnosystems.com Forms, Databases, Shopping Carts, Instant Download Carts, Loggin Systems and more....
Advanced BlueVoda Form Processor : No coding form processor! Just install and use! Now with built in CAPTCHA!