public Window2()
{
InitializeComponent();
del = new DeliveryMen();
clientvm = new ClientViewModel();
this.lol.ItemsSource = clientvm.GetAllDeliveryMen().Select(m => m.ID);
// listView.ItemsSource = dal.GetDistributionList(del);
this.DataContext = del;
myvvm = new PdfViewModel(this);
this.buttGrid.DataContext = myvvm;
}