public ActionResult ShowRecipesByCategoryId(int categoryId) { IEnumerable <RecipeView> recipes = _recipeProvider.GetRecipesByCategoryId(categoryId); ShortRecipeViewModel model = ParseShortRecipeViewModels(recipes, categoryId); if (Request.IsAjaxRequest()) { return(PartialView("_ShowRecipesByCategoryId", model)); } else { return(View("ShowRecipesByCategoryId", model)); } }