public ActionResult Cascadedropdown()
 {
     {
         ViewBag.List1 = Cascaddwn.Cascadedropdownclasslist();
         ViewBag.List2 = Cascaddwn.Section();
         ViewBag.List3 = Cascaddwn.Maplist();
     }
     return(View());
 }
        public JsonResult Sectionlistbtn(int Classid)
        {
            var obj = Cascaddwn.Sectionlistbtn2(Classid);

            return(Json(obj, JsonRequestBehavior.AllowGet));
        }
        public JsonResult Getsectionlist(int Classid)
        {
            var obj = Cascaddwn.Cascadedropdownsectionlist(Classid);

            return(Json(obj, JsonRequestBehavior.AllowGet));
        }