public List <SelectListItem> GetAllGradesForDropdown()
        {
            List <Grade>          grades = StudentResultManager.GetAllGrades();
            List <SelectListItem> gradeSelectListItems =
                grades.ConvertAll(x => new SelectListItem()
            {
                Text = x.LetterGrade, Value = x.Id.ToString()
            });

            return(gradeSelectListItems);
        }
 public ActionResult StudentResult()
 {
     ViewBag.Grades         = aStudentResultManager.GetAllGrades();
     ViewBag.RegistrationNo = aRegisteredCourseManager.GetRegistrationNo();
     return(View());
 }