public ActionResult SaveStudentResult(SaveStudentResult saveStudentResult) { saveStudentResult.RegNo = studentManager.GetStudentRegNoById(saveStudentResult.StudentId); ViewBag.students = studentManager.GetAllStudents(); ViewBag.grades = studentResultManager.GetAllResultGrades(); if (ModelState.IsValid) { ViewBag.Message = studentResultManager.SaveStudentResultData(saveStudentResult); } return(View()); }