private void Button_Click_5(object sender, RoutedEventArgs e)
        {
            this.Hide();
            TeamWindow teamWindow = new TeamWindow(this);

            teamWindow.Show();
        }
        public TeamSponsorshipWindow(TeamWindow teamWindow)
        {
            InitializeComponent();
            string ConnectionString = ConfigurationManager.ConnectionStrings["dataConnection"].ConnectionString;

            connection      = new SqlConnection(ConnectionString);
            this.teamWindow = teamWindow;
        }