public JsonResult AddTypeChidren(int TypeChidren, int TypeParent) { bool result = false; var listdvt = data.DeviceTypeComponantTypes.Where(x => x.TypeSymbolChildren == TypeChidren && x.TypeSymbolParents == TypeParent).Where(x => x.IsDeleted == false).ToList(); if (listdvt.Count() > 0) { result = false; } else { data.AddTypeChidren(TypeChidren, TypeParent, null); result = true; } return(Json(result, JsonRequestBehavior.AllowGet)); }