private void btnExport_Click(object sender, EventArgs e) { switch (lblStatus.Text) { case "HỒ SƠ NHÂN VIÊN": DataTable dataGrid = new DataTable(); BindingSource SBind = new BindingSource(); SBind.DataSource = frmHoSoNhanVien.dataTable; frmHoSoNhanVien.dataTable2 = frmHoSoNhanVien.dataTable; try { frmHoSoNhanVien.Action = "Export"; frmHoSoNhanVien hoSoNhanVien = new frmHoSoNhanVien(); hoSoNhanVien.IsExport1 = true; hoSoNhanVien.ExportExcel(); } catch (Exception ex) { MessageBox.Show("" + ex); } break; case "CHẤM CÔNG": break; case "": break; default: break; } }