private void chỉnhSửaThôngTinTàiKhoảnToolStripMenuItem_Click(object sender, EventArgs e)
{
ThayDoiThongTinCaNhan x = new ThayDoiThongTinCaNhan();
this.Hide();
x.ShowDialog();
}
private void thôngTinToolStripMenuItem_Click(object sender, EventArgs e)
{
ThayDoiThongTinCaNhan x = new ThayDoiThongTinCaNhan(Bs);
x.CapNhat += x_CapNhat;
// this.Hide();
x.Show();
}