private void btnDetail_Click(object sender, EventArgs e) { popup4 = new frmTM08_Pop04(); popup4.m_code = gridView5.GetFocusedRowCellValue("m_code").ToString(); popup4.ser_no = gridView5.GetFocusedRowCellValue("ser_no").ToString(); popup4.FormClosed += popup_FormClosed; popup4.ShowDialog(); }