private void add_p_Click(object sender, RoutedEventArgs e)
        {
            addProduct product = new addProduct(((BE.Shop)datagridShops.SelectedItem).id);

            product.Show();
        }
        private void addProduct_Click(object sender, RoutedEventArgs e)
        {
            addProduct addproductWindow = new addProduct();

            addproductWindow.Show();
        }