private void ConfirmTransaction_Click(object sender, RoutedEventArgs e)
        {
            ViewTeam viewTeam = new ViewTeam();

            NavigationService.Navigate(viewTeam);

            //Save Transaction
        }
        private void Exit_Click(object sender, RoutedEventArgs e)
        {
            ViewTeam viewTeam = new ViewTeam();

            NavigationService.Navigate(viewTeam);
        }