private void btnSearch_Click(object sender, EventArgs e) { dataGridView1.Columns.Clear(); BORDB_VO vo = new BORDB_VO(); vo.product_name = txtItem.Text; if (cboProcess.Text == "미선택") { vo.common_name = ""; } else { vo.common_name = cboProcess.Text; } vo.m_name = txtFacility.Text; List <BORDB_VO> list = service.BOR_Search(vo); if (list == null) { return; } else { dataGridView1.DataSource = null; dgvColumnSet(); dataGridView1.DataSource = list; } if (dataGridView1.Rows.Count <= 0) { SetBottomStatusLabel("조회에 실패하였습니다. 다시 시도하여 주십시오."); } else { SetBottomStatusLabel("조회가 완료되었습니다."); } }