MVC3: How to change the generic [Required] validation message text?

Question

When you decorate a model object\'s property with the Required attribute and don\'t specify ErrorMessage or ResourceType/Name you get the

Answer 1

Have you tried creating a derived class of RequiredAttribute and overriding the FormatErrorMessage method? This should work:

public class MyRequiredAttribute : System.ComponentModel.DataAnnotations.RequiredAttribute
{
    public override string FormatErrorMessage(string name)
    {
        return base.FormatErrorMessage(string.Format("This is my error for {0}", name));
    }
}