//mới thêm
private void BtnDelete_Click(object sender, RoutedEventArgs e)
{
Dialog a = new Dialog()
{
Message = "Are you sure to delete this product?"
};
a.Owner = Window.GetWindow(this);
if (a.ShowDialog() == false)
{
return;
}
manage.DeleteProduct(this.product);
Dialog b = new Dialog()
{
Message = "Delete completely"
};
b.Owner = Window.GetWindow(this);
ProductPage page = new ProductPage();
page.Refresh(true);
NavigationService.Navigate(page);
}