private void DPViewExecuted(object sender, ExecutedRoutedEventArgs e)
{
var id = (int) e.Parameter;
var w = new DeliveryPersonDetail(PageMode.ViewMode, id);
w.Show();
e.Handled = true;
}
private void Button3Click(object sender, RoutedEventArgs e)
{
var w = new DeliveryPersonDetail(PageMode.AddMode);
w.Show();
e.Handled = true;
}