public MainWindow()
 {
     try
     {
         InitializeComponent();
         CenterWindowOnScreen();
         MainTab.SelectedIndex = 0;
         facade = FacadeController.GetInstance();
     }
     catch (Exception ex)
     {
         MessageBox.Show("Window Init Error" + ex.Message);
     }
     InitializeWindowContent();
 }
 public CheckInWindow(string bookingid)
 {
     InitializeComponent();
     facade = FacadeController.GetInstance();
     LoadData(bookingid);
 }