EPPlus--ExcelPackage 导出Excel

if (list != null && list.Count() > 0)
            {
                ExcelPackage pck = new ExcelPackage();

            var ws = pck.Workbook.Worksheets.Add("QueryRecord");

            ws.Cells["A1"].Value = "证件类型";
            ws.Cells["B1"].Value = "合同编号";
            ws.Cells["C1"].Value = "证件号码";
            ws.Cells["D1"].Value = "企业名称/客户姓名";
            ws.Cells["E1"].Value = "查询人";
            ws.Cells["F1"].Value = "查询日期";
            ws.Cells["G1"].Value = "查询结果";
            ws.Cells["H1"].Value = "报告路径";
            ws.Cells["A1:H1"].Style.Font.Bold = true;
            ws.Cells[ws.Dimension.Address].AutoFitColumns();

            var row = 2;
            foreach (var item in list)
            {
                var outlineLevel = 0;
                //base info
                ws.Cells[row, 1].Value = (item.IDENTIFY_TYPE.Equals(0) ? "个人" : (item.IDENTIFY_TYPE.Equals(100) ? "企业" : item.IDENTIFY_TYPE.ToString()));
                ws.Cells[row, 2].Value = item.APPLICATION_NUMBER;
                ws.Cells[row, 3].Value = item.IDENTIFY_NUMBER;
                ws.Cells[row, 4].Value = item.APPLICANT_NAME;
                ws.Cells[row, 5].Value = item.QUERY_EMPLOYEE;
                ws.Cells[row, 6].Value = item.CREATED_DATETIME.ToString("yyyy-MM-dd HH:mm:ss.ffff");
                ws.Cells[row, 7].Value = item.RespCode + "," + item.RespMsg;
                ws.Cells[row, 8].Value = item.ECM_STORAGE_URL;
                ws.Row(row).OutlineLevel = outlineLevel;
                row++;

            }
            int rowCount = 1 + list.Count();

            ws.Cells["A1:H" + rowCount].Style.Border.Top.Style = ExcelBorderStyle.Thin;
            ws.Cells["A1:H" + rowCount].Style.Border.Left.Style = ExcelBorderStyle.Thin;
            ws.Cells["A1:H" + rowCount].Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
            ws.Cells["A1:H" + rowCount].Style.Border.Right.Style = ExcelBorderStyle.Thin;

            ws.OutLineSummaryBelow = false;

                string fileName = "BPCQueryRecord_" + DateTime.Now.ToString("yyyyMMddHHmmss");

                HttpContext.Current.Response.ContentType = "application/ms-excel";
                HttpContext.Current.Response.AddHeader("content-disposition", "attachment;  filename=" + fileName + ".xlsx");

                HttpContext.Current.Response.ContentEncoding = Encoding.UTF8;
                HttpContext.Current.Response.BinaryWrite(pck.GetAsByteArray());
                HttpContext.Current.Response.End();
            }