protected void btnGerarExcelParcial_Click(object sender, EventArgs e) { var guid = hddnGUID.Value; if (string.IsNullOrEmpty(guid)) { ModelState.AddModelError(string.Empty, "Ocorreu um problema ao exportar arquivo"); } if (!ModelState.IsValid) { return; } var _notaFiscalDAO = new NotaFiscalDAO(); var notas = _notaFiscalDAO.ObterNFsImportadasPorGUID(guid); ExcelPackage epackage = new ExcelPackage(); ExcelWorksheet excel = epackage.Workbook.Worksheets.Add("CCT"); excel.Cells["A1"].LoadFromCollection(notas.Select(c => new { c.DataRegistro, c.ChaveNF, c.SaldoCCT, c.PesoEntradaCCT, c.PesoAferido, c.Observacoes, c.Recinto, c.UnidadeReceita, c.Item, c.DUE, c.QtdeAverbada }), true); string attachment = $"attachment; filename=ArquivoNotas.xlsx"; HttpContext.Current.Response.Clear(); HttpContext.Current.Response.ClearHeaders(); HttpContext.Current.Response.ClearContent(); HttpContext.Current.Response.AddHeader("content-disposition", attachment); HttpContext.Current.Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; HttpContext.Current.Response.BinaryWrite(epackage.GetAsByteArray()); HttpContext.Current.Response.End(); epackage.Dispose(); }