//得到班级信息
        public String getClassInfo(String ClassInt, String Inst)
        {
            Maticsoft.BLL.班级表   banjiSQL  = new Maticsoft.BLL.班级表();
            System.Data.DataSet banjiinfo = new System.Data.DataSet();



            banjiinfo = banjiSQL.GetList("专业='" + ClassInt + "'and 学院='" + Inst + "'");



            // zhuanyeinfo=zhuanyeSQL.GetList("学院='"+ +"'")



            String ReturnJson = JsonConvert.SerializeObject(banjiinfo);

            return(ReturnJson);
        }
        //得到班级信息

        public List <object> GetClassInfo(string xueyuan, string zhuanye)
        {
            System.Data.DataSet banjiModle = new System.Data.DataSet();
            Maticsoft.BLL.班级表   banjiOp    = new Maticsoft.BLL.班级表();

            banjiModle = banjiOp.GetList("专业='" + zhuanye + "'and 学院='" + xueyuan + "'");

            var data   = new List <object>();
            int length = banjiModle.Tables["ds"].Rows.Count;

            for (int i = 0; i < length; i++)
            {
                data.Add(

                    new { ClassId = banjiModle.Tables["ds"].Rows[i]["班级"], ClassName = banjiModle.Tables["ds"].Rows[i]["专业"].ToString() + banjiModle.Tables["ds"].Rows[i]["班级"].ToString() + "班", }



                    );
            }

            return(data);
        }