// GET: Student/Home
        public ActionResult Index()
        {
            var session    = (StudentLogin)Session[CommonConstants.STUDENT_SESSION];
            var id_student = session.id_student;

            if (studentDao.getTesting(id_student) > 0)
            {
                return(RedirectToAction("DoingTest"));
            }

            studentDao.UpdateLastLogin(id_student, GetIPAddress(), GetUserEnvironment());
            studentDao.UpdateLastSeen("Trang chủ", Url.Action("Index"), id_student);
            ViewBag.score      = studentDao.GetStudentTestcode(id_student);
            ViewBag.studenname = studentDao.ViewDetail(id_student).student_name;
            return(View(studentDao.GetDashboard()));
        }