public ActionResult Edit_Course(Course ob) { //ModelState.Remove("CourseTypeID"); //ModelState.Remove("Teaching_Hours_Lecture"); //ModelState.Remove("Teching_Hours_Tutorial"); //ModelState.Remove("TeachingHours_Practical"); //ModelState.Remove("Midterm"); //ModelState.Remove("Year_Work_Grades_O"); //ModelState.Remove("Year_Work_Grades_PE"); //ModelState.Remove("Year_Work_Grades_G"); //ModelState.Remove("CurriculumID"); if (ModelState.IsValid) { CourseBL.Update(ob); return(RedirectToAction("Course")); } else { return(View()); } }