private void ProductsListView_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
Product p = ProductsListView.SelectedItem as Product;
ProductView window = new ProductView();
window.Closed += new EventHandler(this.Window_Closed);
window.UpdateProduct(p);
window.Show();
}
private void btnNewProduct_Click(object sender, RoutedEventArgs e)
{
ProductView window = new ProductView(gateway);
window.Closed += new EventHandler(window_Closed);
window.Show();
}