public MainWindow()
{
InitializeComponent();
bL = MyBL.Instance;
string hostingUnitName = "Nave Mahmad";
bL.addHostingUnit(new HostingUnit(new Host(), hostingUnitName, Enums.HostingUnitType.Zimmer));
bL.addOrder(new BE.Order(Enums.OrderStatus.Closed, DateTime.Now));
lb_HostingUnits.DataContext = bL.getAllHostingUnits();
// lb_HostingUnits.DataContext = bL.getHostingUnits(hostingUnit => hostingUnit.HostingUnitType == Enums.HostingUnitType.Zimmer);
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
bL.addHostingUnit(hostingUnit);
}