private void HienThiDanhSach() { try { tblmathangBL ctr = new tblmathangBL(); string sidhang = ""; try { sidhang = cbTKHangSX.SelectedValue.ToString().Trim(); } catch { } DataTable dt = new DataTable(); if (chkAll.Checked) { dt = ctr.filtermathangtraall(txtKeyword.Text.Trim(), sidhang, "", sidkh); } else { dt = ctr.filtermathangtra(txtKeyword.Text.Trim(), sidhang, "", sidkh); } c1FlexGrid1.DataSource = dt; try { c1FlexGrid1.Cols["gianhap"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giabanbuon"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giabanle"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giadl1"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giadl2"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giadl3"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giadl4"].Format = "N0"; } catch { } try { c1FlexGrid1.Cols["giadl5"].Format = "N0"; } catch { } FormatGrid(); txtKeyword.Focus(); } catch (Exception ex) { MessageBox.Show("Lỗi mở dữ liệu.\nChi tiết lỗi : " + ex.Message, "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error); } }