public JsonResult Checkcategoryname(string Name, string Previousname) { if (Name == Previousname) { return(Json(true, JsonRequestBehavior.AllowGet)); } bool check = Commonhelper.Checkcategoryname(Name); if (check) { return(Json(false, JsonRequestBehavior.AllowGet)); } else { return(Json(true, JsonRequestBehavior.AllowGet)); } }