public IActionResult AddMatch(AddMatchVM model) { if (model.SelectedPlayer1Id == model.SelectedPlayer2Id) { ModelState.AddModelError("SelectedPlayer2Id", "Välj två olika spelare!"); } if (model.SelectedPlayer1Sets == model.SelectedPlayer2Sets) { ModelState.AddModelError("SelectedPlayer2Sets", "Felaktigt resultat! Matcher kan inte sluta lika!."); } if (!ModelState.IsValid) { return(View(repHandler.PopulateLists())); } repHandler.NewMatch(model); return(RedirectToAction(nameof(Index))); }