private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            pDanhMuc = new DanhMucPhong();

            tmpWin tmp = new tmpWin(pDanhMuc);

            tmp.ShowDialog();
        }
        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            pDanhMuc = new DanhMucPhong();

            tmpWin tmp = new tmpWin(pDanhMuc);

            tmp.ShowDialog();
        }