Using Castle Validators with ASP.NET MVC Model Binders for Automatic V

Model Binders in MVC is a cool concept to map your form values to parameter objects of your Action. There's also this automatic error message display capabilities in MVC. Here's my take on validating a model object during the binding process. Castle project has a validation framework and a range of validators which can be used standalone. It would be cool to use it with MVC to ease the validation pain a bit, huh?