public async System.Threading.Tasks.Task <ActionResult> Checksapcode(string sapcode, string Previoussapcode) { if (sapcode == Previoussapcode) { return(Json(true, JsonRequestBehavior.AllowGet)); } bool check = Commonhelper.Checksapcode(sapcode); if (check) { return(Json(false, JsonRequestBehavior.AllowGet)); } else { return(Json(true, JsonRequestBehavior.AllowGet)); } }