Treffer: Data Validation in ASP.NET MVC Forms.

The article presents the author's insights on the data annotation in ASP.NET MVC Form, which appeared for the first time in a beta of Silverlight 3. The author mentions that the data annotations in ASP.NET MVC can be easily arranged to emit JavaScript code that validates on the client. He says that a core set of attributes is comprised in the data annotations, but encourage for the creation of custom properties that implement custom validation logic.