private void btnThanhToan_Click_1(object sender, EventArgs e)
{
fThanhToan fThanhToan = new fThanhToan();
fThanhToan.ShowDialog();
this.Show();
}
private void btnThanhToan_Click(object sender, EventArgs e)
{
KT_Ship = 0;
this.Hide();
this.Close();
fThanhToan fThanhToan = new fThanhToan();
fThanhToan.ShowDialog();
}