private void btnTim_Click(object sender, EventArgs e)
{
luachon = cbb1.SelectedIndex;
string text = txt1.Text;
if (text != "")
{
if (luachon == 0)
{
BangTimKiem.DataSource = bus1.TimKiemTheoMaKhach(text);
}
else
if (luachon == 1)
{
BangTimKiem.DataSource = bus2.TimKiemTheoMa(text);
}
else
if (luachon == 2)
{
BangTimKiem.DataSource = bus3.TimKiemTheoMa(text);
}
}
else
{
MessageBox.Show("Vui long nhap ma can tim");
}
}
