How do you programatically check, if the client side validation is not bypassed by disabling the javascript on the client browser?

ASP.NET FAQS	Validation Controls FAQS >>
9. How do you programatically check, if the client side validation is not bypassed by disabling the javascript on the client browser?
We use Page.IsValid property to determine if all the validations have succeeded. For this property to return true, all validation server controls in the current validation group must validate successfully.
ASP.NET FAQS	Validation Controls FAQS >>