public ActionResult Create(int?teamId)
        {
            Team t = db.teamDB.Find(teamId);

            if (t == null)
            {
                return(Content("Team not found"));
            }

            ModelAddFootballPlayerToTeam model = new ModelAddFootballPlayerToTeam();

            model.footballPlayer        = new FootballPlayer();
            model.footballPlayer.TeamId = t.id;
            model.team = t;
            return(View(model));
        }
        public ActionResult Create([Bind(Include = "footballPlayer,team")] ModelAddFootballPlayerToTeam model)
        {
            Team t = db.teamDB.Find(model.footballPlayer.TeamId);

            if (t.footballPlayers.ToList().Count == 11)
            {
                return(Content("The team " + t.name + " has 11 players. Adding " + model.footballPlayer.name + " failed"));
            }
            if (ModelState.IsValid)
            {
                db.footballPlayerDB.Add(model.footballPlayer);
                db.SaveChanges();
                return(RedirectToAction("Details", "Team", new { id = model.footballPlayer.TeamId }));
            }


            return(View(model));
        }