public IActionResult Create(ChampionViewModels championModel)
        {
            ChampionContext championContext = new ChampionContext(connectionString);

            championModel.Region = champions();

            IActionResult retour = null;

            if (ModelState.IsValid)
            {
                Champion champion = new Champion();

                champion.Identifiant       = championModel.Identifiant;
                champion.Nom               = championModel.Nom;
                champion.Surnom            = championModel.Surnom;
                champion.IdentifiantRegion = championModel.IdentifiantRegion;
                champion.IdentifiantRole   = championModel.IdentifiantRole;



                bool isOK = championContext.Insert(champion);
                retour = RedirectToAction("Index");
            }
            else
            {
                retour = View(championModel);
            }

            return(retour);
        }