public ActionResult Categories(Int32 id) { var category = MagazineService.GetCategoryById(id); if (category == null) { SetMessage("No se encontró la categoría.", BootstrapAlertTypes.Danger); return(Redirect("/")); } var newsByCategories = MagazineService.GetNewsesByCategoryId(id); var model = new CategoriesViewModel { NewsByCategories = newsByCategories, Category = category }; return(View(model)); }