public ActionResult Edit(int id, SongEdit model) { if (!ModelState.IsValid) { return(View(model)); } if (model.SongID != id) { ModelState.AddModelError("", "ID Mismatch"); return(View(model)); } var service = new SongService(); if (service.EditSong(model)) { TempData["SaveResult"] = "Song was updated"; return(RedirectToAction("Index")); } ModelState.AddModelError("", "Song could not be updated"); return(View()); }