Oscar Peli

The new family of bound controls lets developers build data-driven applications almost without writing a line of code at page level, but there's more work to do to build really robust, fully featured controls. With the new version of .NET Framework, developers can extend base controls to build "powered" ones that satisfy particular needs that base controls can't. In this article you'll see how to extend the BoundField control adding validation capabilities using ASP.NET validation controls. These controls provide two ways of validation: server-side and client-side. The nice thing about these validation controls is that they will do client-side validation when they detect that the browser can (unless client-side validation has been disabled), thus reducing roundtrips. And it will do server-side where necessary. This client-side/server-side detection and validation ar... (more)