Question

i have a question about modelstate in asp.net mvc3 that , i have a contoller suppose Home and a action in it submitform . now first time i submit my form to this action and user entered someting wrong i returened error using modelstate

ModelState.AddModelError("", "Your entered date is wrong .");

Now when user submit form again this time suppose date is correct but he entered wrong name this time , now when i return error at this step

ModelState.AddModelError("", "name should be at least 4 character long .");

but now when i return this i see name should be at least 4 character long . and also see Your entered date is wrong. , what the problem ?

following is my full code

   [Authorize]
[System.Web.Mvc.OutputCache(NoStore = true, Duration = 0, VaryByParam = "*")]
public class HomeController : Controller
{
       public ActionResult Formsubmit(mymodel RModel)
       {
          if(RModel.date != "2/2/2012")
           {
               ModelState.AddModelError("", "Your entered date is wrong .");
           }
           if(RModel.name.cout() < 4)
           {
               ModelState.AddModelError("", "name should be at least 4 character long .");

           }

           return View(RModel);
       } 
}

Answer 1

Modelstate.Remove("yourkey"); //remove one

Modelstate.Clear(); //remove all