public RedirectToRouteResult CreateLeague(League league, IList <Prize> prizes, IList <Sponsor> sponsors)
{
foreach (Prize prize in prizes)
{
league.AddPrize(prize);
}
foreach (Sponsor sponsor in sponsors)
{
league.AddSponsor(sponsor);
}
Session["TempLeague"] = league;
return(RedirectToAction("Events"));
}