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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Note, this article deals with client-side JavaScript. For a client and server-side JavaScript ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The art of the file upload is not elegantly addressed in languages such as Java and Python. But ...

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 ...