关于#c##的问题：本邮件由系统自动发送,请勿回复

######有什么办法可以将bytess 的值放在Excel的Sheet2里,在线等.....

public async Task<double> SolderPasteGlueExpdateWarningMailAsync()
        {
            //获取数据字段配置预警天数
            var Detail = await _repository.FindEntityAsync<DataItemDetailEntity>(x =>
                x.ItemId == "0A51DB34DF7E4BA38DDDF8E07F75DCE4" && x.DetailName == "预警天数" && x.Enabled == 1);
            //获取预警信息
            string sql1 = @"";
            DataTable dt = await _repository.FindTableAsync(sql1,new { Days = Detail.DetailCode });

            // 发送消息
            var fileName = $"title_{DateTime.Now.ToDateString()}.xlsx";
            var bytes = ExcelHelper.EPPlusExportExcelToBytes(dt, null, TableStyles.None);

            var bytess = ExcelHelper.EPPlusExportExcelToBytes(dt, null, TableStyles.None);

            var attachments = new List<AttachmentEntity> { new AttachmentEntity {
                 Bytes=bytes,
                 FileName=fileName
                }};

            var mail = "mail地址";
            var title = "title";

            await _mailMessageService.SendMailMessageAsync(new MailMessageInput
            {
                AppId = "1E3331D5833A0BAABCAC",
                AppKey = "0x1e3331d50x7ab",
                Title = title,
                Content = $@"
                 <br/><span style='color:red'>本邮件由系统自动发送,请勿回复。</span>",
                Attachments = attachments,
                TO = mail
            });
            return ErrorCode.Successful;
        }

大佬大佬,出来指导指导