private void bt_chitiethd_Click(object sender, EventArgs e) { baitaplon2.frmChucvu CTHĐ = new baitaplon2.frmChucvu(); CTHĐ.Show(); }
private void bt_chucvu_Click(object sender, EventArgs e) { baitaplon2.frmChucvu CV = new baitaplon2.frmChucvu(); CV.Show(); }