private void btnSuaChuyenXe_Click(object sender, EventArgs e)
{
FormChuyenXe frm = new FormChuyenXe();
frm.txtIDChuyenXe.Text = IDDangChon;
frm.txtIDChuyenXe.Enabled = false;
frm.Show();
}
private void button1_Click(object sender, EventArgs e)
{
FormChuyenXe frm = new FormChuyenXe();
frm.txtIDChuyenXe.Text = MaChuyenXeTuTang();
frm.Show();
}