public ActionResult Create([Bind(Include = "Id, Name")] Sponsor sponsors, string[] selectedTeams) { if (selectedTeams != null) { sponsors.Teams = new List <Team>(); foreach (var team in selectedTeams) { sponsors.Teams.Add(service.ProcuraIdTeam(int.Parse(team))); } } if (ModelState.IsValid) { service.Adiciona(sponsors); return(RedirectToAction("Index")); } return(View(sponsors)); }