/// <summary>
        ///
        /// </summary>
        /// <param name="info">id1:学生编号,id2:考试编号</param>
        /// <returns></returns>
        public ActionResult GetStudentScore(stId2 info)
        {
            double result = StudentExambll.GetStudentScore(info.Id1, info.Id2);
            var    res    = new ConfigurableJsonResult();

            res.Data = result;
            HttpContext.Response.AppendHeader("Access-Control-Allow-Origin", "*");
            return(res);
        }
        public ActionResult UpdateExercisesState(stId2 info)
        {
            int result = ExercisesTestbll.UpdateExercisesState(info.Id1, info.Id2);
            var res    = new ConfigurableJsonResult();

            res.Data = result;
            HttpContext.Response.AppendHeader("Access-Control-Allow-Origin", "*");
            return(res);
        }