ASP.NET MVC Application Building: Forums #4 1/2? Validation Revisited

I received a lot of feedback on my last blog entry on implementing server-side form validation for the MVC Forums application. Thank you everyone for the feedback! In my previous blog entry, I described how you can perform validation in an MVC application by taking advantage of custom validation attributes. By decorating your model with attributes, such as the RequiredValidator and RegularExpressionValidator attributes, you can enforce validation rules and display custom validation error messages. In order to perform more complex validation, I suggested using a CustomValidator that could be applied to the entity class. The CustomValidator class points to another class that executes custom validation rules. One piece of feedback that I consistently...(read more) ...