public ActionResult EnrollStudentCourse(StudentMustafa student) { ViewBag.Students = anEnrollCourseManager.GetAllStudentsRegistrationNo(); StudentMustafa aStudent = (StudentMustafa)TempData["std"]; aStudent.CourseId = student.CourseId; aStudent.Date = student.Date; ViewBag.Message = anEnrollCourseManager.Enroll(aStudent); return(View()); }