public ActionResult Save(Result aResult) { if (ModelState.IsValid) { ViewBag.Message = aEnrollCourseManager.UpdateResult(aResult); ViewBag.GradeList = aGradeManager.GetAllGradeForDropdown(); ViewBag.RegNoList = aStudentManager.GetAllStudentRegNoForDropdown(); ModelState.Clear(); return(View()); } else { ViewBag.Message = "Please Fill All Field Correctly"; ViewBag.GradeList = aGradeManager.GetAllGradeForDropdown(); ViewBag.RegNoList = aStudentManager.GetAllStudentRegNoForDropdown(); return(View()); } }