public ActionResult ListResult()
        {
            var session    = (StudentLogin)Session[CommonConstants.STUDENT_SESSION];
            var id_student = session.id_student;

            if (studentDao.getTesting(id_student) > 0)
            {
                return(View("DoingTest"));
            }
            var model = studentDao.GetListResult(id_student);

            studentDao.UpdateLastLogin(id_student, GetIPAddress(), GetUserEnvironment());
            ViewBag.studenname = studentDao.ViewDetail(id_student).student_name;
            studentDao.UpdateLastSeen("Đang xem danh sách kết quả của các kỳ thi ", Url.Action("ListResult"), id_student);
            return(View(model));
        }