private void bt_xem_Click(object sender, EventArgs e)//xem
{
Form tg = new QLTacGia();
this.Hide();
tg.ShowDialog();
this.Close();
}
private void ql_tacgia_Click(object sender, EventArgs e)
{
GiaoDienChinh_Load(sender, e);
Form tg = new QLTacGia();
this.Hide();
tg.ShowDialog();
this.Close();
}