Writing code to validate Web-form input can be even more of a chore than implementing form-processing logic. But help is at hand, thanks to the Struts 2 framework. Oleg Mikheev looks under the hood of ...

Many programmers, myself included, have long seen JavaScript as a way to change the appearance of a page of HTML dynamically or to perform relatively minor tasks, such as checking the validity of a ...

Here's how to integrate the ASP.NET CustomValidator control with client-side code to create a page that uses Ajax and server-side code to validate data at the browser. In a comment to a tip in our ...