public IActionResult CreateExamAJAX(ExamModel examModel)
        {
            var access = new SqlDataAccess();
            int newRow = 0;

            if (ModelState.IsValid)
            {
                newRow = access.CreateTest(examModel.testTitle, examModel.classID);
                return(RedirectToAction("ExamCreation", new { examId = newRow }));
            }
            return(View());
        }