private void btChitiet_Click(object sender, EventArgs e)
        {
            FormHoaDon hd = new FormHoaDon(lb_Tongtien.Text, txtIDhd.Text);

            //this.Hide();

            hd.Show();
        }
Esempio n. 2
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        private void btnHoadon_Click(object sender, EventArgs e)
        {
            FormHoaDon f2 = new FormHoaDon();

            f2.Show();
        }