public ActionResult GetArea(int ParentID)
        {
            var regions = new AboutDBManager().GetArea(ParentID);

            return(Json(regions, JsonRequestBehavior.AllowGet));
        }
        // GET: AboutDB
        public ActionResult Bit()
        {
            List <BitModel> list = new AboutDBManager().GetBitModel();

            return(View(list));
        }