Granular Request Validation in ASP.NET MVC 3 Beta

11/9 Update: This article only applies to the MVC 3 Beta release. I have a new post about AllowHtmlAttribute that describes the new APIs and behaviors available in MVC 3 RC and later. If you don’t know already, we have just released the ASP.NET MVC 3 Beta and it brings a slew of new features….