private void panel2_Click(object sender, EventArgs e)
{
this.Hide();
QuanLyNo frm = new QuanLyNo();
frm.ShowDialog();
//WHEN SHOWDIALOG() END
loadData();
frm.Dispose();
this.Show();
}
private void btnQuanLyNo_Click(object sender, EventArgs e)
{
QuanLyNo qln = new QuanLyNo();
qln.Show();
}