public ActionResult MediaItemsAdd(string id) { BackEndMediaItemsAdd backEndMediaItemsAdd = new BackEndMediaItemsAdd() { MediaGalleryCode = id }; MediaGallery mediaGallery = new MediaGalleries().GetMediaGallery(id); if (mediaGallery.IsNull()) { ModelState.AddResult(ViewData, ModelStateResult.Error, Resources.Strings.ItemDoesNotExist); ViewData.IsFormVisible(false); } return(View(backEndMediaItemsAdd)); }