private void butGiugiuong_Click(object sender, System.EventArgs e)
{
frmDsgiuong f = new frmDsgiuong(m, "", true);
f.ShowDialog();
}
private void butXem_Click(object sender, System.EventArgs e)
{
frmDsgiuong f = new frmDsgiuong(m, s_makp.Trim(','), true);
f.ShowDialog();
}