Property-level validation errors hinder the validation of Class-level validation
问题 Update after Bounty was awarded A new solution is coming up to this problem. Please refer to ASP.NET MVC 3 Preview 1 here: http://weblogs.asp.net/scottgu/archive/2010/07/27/introducing-asp-net-mvc-3-preview-1.aspx Look in the section Model Validation Improvements , where you will see the solution to my problem. Original Post Referring to my earlier post How to validate two properties with ASP.NET MVC 2 where I asked how I could compare two properties for Model validation. I did find the