public ActionResult UpdateFederation(int id)
        {
            Federation   federation = new Federation();
            List <CPays> listP      = new CPays().GetListPays();
            CPays        pays       = null;

            federation = federation.GetFederation(id);
            foreach (CPays P in listP)
            {
                if (P.Pays == federation.PaysFederation)
                {
                    pays = P;
                }
            }
            listP.Insert(0, pays);

            Session["listP"] = new SelectList(listP, "Id", "Pays");
            return(View(federation));
        }