public MainPage(Tournament tournament) { WaitWindow waitWindow = new WaitWindow(); waitWindow.Show(); InitializeComponent(); CurrentTournament = tournament; Nums = new Nums(); Context = new BadmintonContext(); ListPage = new ListPage(this); changerFrame.Navigate(ListPage); #region LoadContext Context.Cities.Load(); Context.Grades.Load(); Context.Clubs.Load(); Context.Coaches.Load(); Context.Unions.Load(); Context.TeamsTournaments.Load(); Context.PlayersTeams.Load(); #endregion TornamentPlayersHelper = new TornamentPlayersHelper(Context, CurrentTournament); EventsHelper = new EventsHelper(Context, CurrentTournament); PlayersHelper = new PlayersHelper(Context); Context.Configuration.AutoDetectChangesEnabled = true; EventsHelper.EventsLoad(); PlayersHelper.PlayersLoad(); TornamentPlayersHelper.TeamTournamentsLoad(); eventsListBox.ItemsSource = EventsHelper.EventsList; DrawsPage = new DrawsPage(this); if (eventsListBox.Items.Count > 0) { eventsListBox.SelectedIndex = 0; } waitWindow.Close(); }