ASP.NET MVC: ModelState vs. ModelStateDictionary

Question

I have a service which has a method that\'s called when a certain controller method is triggered.

My service returns a custom result object PlacementResult in w

Answer 1

This is a good link that shows how a service can perform validation and communicate the result back to the controller:

http://www.asp.net/mvc/tutorials/validating-with-a-service-layer-cs (fixed link)