private void btn_capphat_Click(object sender, EventArgs e) { if (gv_bode.GetFocusedRowCellValue("MaBoDe") == null) { return; // no ma no de } string maBoDe = gv_bode.GetFocusedRowCellValue("MaBoDe").ToString(); bool isSucces = xl.CapPhat(maBoDe); if (isSucces) { loadct(gv_bode.GetFocusedRowCellValue("MaBoDe").ToString()); btn_capphat.Enabled = false; btn_xoact.Enabled = true; } else { MessageBox.Show("Cấp phát thất bại"); } }