public MatchOptionsSelectionPopup(ManageLeaguePageViewModel manageLeaguePageViewModel)
        {
            ViewModel = manageLeaguePageViewModel;
            InitializeComponent();

            BindingContext = manageLeaguePageViewModel;
        }
        public ManageLeaguePage(Models.League league)
        {
            InitializeComponent();

            Title = "Manage " + league.Name;

            viewModel = new ManageLeaguePageViewModel(Navigation, league);

            BindingContext = viewModel;
        }