private void searchBarTeamA_Focused(object sender, FocusEventArgs e)
{
searchBarTeamAList.ItemsSource = FetchTeam.GetSearchResults("a");
searchBarTeamAList.IsVisible = true;
}
private void searchBarTeamA_TextChanged(object sender, TextChangedEventArgs e)
{
searchBarTeamAList.ItemsSource = FetchTeam.GetSearchResults(e.NewTextValue);
}