public ActionResult AddEducation(AddEducationViewModel viewModel) { ModelState.Clear(); var validation = TryValidateModel(viewModel); var errors = (from modelstate in ModelState.Values from error in modelstate.Errors select error.ErrorMessage).ToList(); if (!validation) { return(Json(errors.ToArray())); } _studentFacade.InsertPrevEducation(viewModel.Education, User.Identity.Name); errors.Add("Finish"); return(Json(errors.ToArray())); }