public ActionResult _AjaxInsert([DataSourceRequest] DataSourceRequest request, NavigationData item)
        {
            if (ModelState.IsValid)
            {
                item.Segment  = Request["Segment"];
                item.DomainID = RP.GetAdminCurrentSettingsRepository().ID;
                if (string.IsNullOrEmpty(item.LangCode))
                {
                    item.LangCode = SF.GetLangCodeThreading();
                }

                _db.NavigationDatas.Add(item);
                _db.SaveChanges();

                RP.CleanNavigationDataRepository(AdminCurrentSettingsRepository.ID);
            }
            return(Json(new[] { item }.ToDataSourceResult(request, ModelState)));
        }