//All regNo load for Dropdown public List <SelectListItem> GetStudentRegNoForDropdown() { List <SelectListItem> selectListItems = new List <SelectListItem>(); selectListItems.Add(new SelectListItem() { Text = "--Select--", Value = "" }); List <Student> getAllStudentRegNo = AStudentResultGateway.GetAllStudentRegNo(); foreach (Student aStudent in getAllStudentRegNo) { SelectListItem selectList = new SelectListItem(); selectList.Text = aStudent.RegistrationNo; selectList.Value = aStudent.StudentId.ToString(); selectListItems.Add(selectList); } return(selectListItems); }