private void btChitiet_Click(object sender, EventArgs e) { FormHoaDon hd = new FormHoaDon(lb_Tongtien.Text, txtIDhd.Text); //this.Hide(); hd.Show(); }
private void btnHoadon_Click(object sender, EventArgs e) { FormHoaDon f2 = new FormHoaDon(); f2.Show(); }