public OrdersPage(BlApi.IBl bl, BO.Host host, ListView MyOrderListView)
{
InitializeComponent();
this.bl = bl;
this.host = host;
Requests = bl.GetGetGuestRequestsExceptHostGr(host.Person.Id).ToList();
this.host = host;
hostID = this.host.Person.Id;
MainListBox.ItemsSource = Requests;
mailSend = new BackgroundWorker();
myListview = MyOrderListView;
}