public JsonResult AddClass(Class rec)
        {
            ClassServices services = new ClassServices();

            services.AddClass(rec);
            return(Json(new { msg = "save" }, JsonRequestBehavior.AllowGet));
        }
        public JsonResult AddClass(Class rec)
        {
            if (rec.Class_Id == 0)
            {
                services.AddClass(rec);

                return(Json(new { msg = "save" }, JsonRequestBehavior.AllowGet));
            }
            else
            {
                services.Update(rec);
                return(Json(new { data = "Edit" }, JsonRequestBehavior.AllowGet));
            }
        }