public async Task<ActionResult> ModifyMentoringReport(MentoringReportViewModel dataRequestViewModel, string deleteFileSns, IEnumerable<HttpPostedFileBase> files)
        {
            ViewBag.LeftMenu = Global.MentoringReport;

            var mentorId = Session[Global.LoginID].ToString();

            if (ModelState.IsValid)
            {
                var scMentoringReport = await _scMentoringReportService.GetMentoringReportById(dataRequestViewModel.ReportSn);

                scMentoringReport.Attendee = dataRequestViewModel.Attendee;
                scMentoringReport.BizWorkSn = dataRequestViewModel.BizWorkSn;
                scMentoringReport.CompSn = dataRequestViewModel.CompSn;
                scMentoringReport.MentorAreaCd = dataRequestViewModel.MentorAreaCd;
                scMentoringReport.MentoringContents = dataRequestViewModel.MentoringContents;
                scMentoringReport.MentoringDt = dataRequestViewModel.MentoringDt;
                scMentoringReport.MentoringEdHr = dataRequestViewModel.MentoringEdHr;
                scMentoringReport.MentoringPlace = dataRequestViewModel.MentoringPlace;
                scMentoringReport.MentoringStHr = dataRequestViewModel.MentoringStHr;
                scMentoringReport.MentoringSubject = dataRequestViewModel.MentoringSubject;
                scMentoringReport.SubmitDt = dataRequestViewModel.SubmitDt;

                scMentoringReport.UpdId = mentorId;
                scMentoringReport.UpdDt = DateTime.Now; 
               

                //삭제파일 상태 업데이트

                if (!string.IsNullOrEmpty(deleteFileSns.Trim()))
                {
                    foreach (var deleteFileSn in deleteFileSns.Split(',').AsEnumerable())
                    {
                        scMentoringReport.ScMentoringFileInfoes.Select(mtfi => mtfi.ScFileInfo).Where(fi => fi.FileSn == int.Parse(deleteFileSn)).FirstOrDefault().Status = "D";
                    }
                }

                //첨부파일
                if (files != null)
                {
                    var fileHelper = new FileHelper();
                    foreach (var file in files)
                    {
                        if (file != null)
                        {
                            var savedFileName = fileHelper.GetUploadFileName(file);

                            var subDirectoryPath = Path.Combine(FileType.Mentoring_Report.ToString(), DateTime.Now.Year.ToString(), DateTime.Now.Month.ToString());

                            var savedFilePath = Path.Combine(subDirectoryPath, savedFileName);

                            var scFileInfo = new ScFileInfo { FileNm = Path.GetFileName(file.FileName), FilePath = savedFilePath, Status = "N", RegId = Session[Global.LoginID].ToString(), RegDt = DateTime.Now };

                            var scMentoringFileInfo = new ScMentoringFileInfo { ScFileInfo = scFileInfo };

                            //파일타입에 따라 재정의해서 넣어야 함(첨부파일, 사진)
                            scMentoringFileInfo.Classify = fileHelper.HasImageFile(file) ? "P" : "A";

                            scMentoringReport.ScMentoringFileInfoes.Add(scMentoringFileInfo);

                            await fileHelper.UploadFile(file, subDirectoryPath, savedFileName);
                        }
                    }
                }

                //수정
                await _scMentoringReportService.ModifyScMentoringReportAsync(scMentoringReport);

                return RedirectToAction("MentoringReportList", "MentoringReport");
              
            }
            ModelState.AddModelError("", "입력값 검증 실패.");
            return View(dataRequestViewModel);
        }
        public async Task<ActionResult> RegMentoringReport(MentoringReportViewModel dataRequestViewModel, IEnumerable<HttpPostedFileBase> files)
        {
            ViewBag.LeftMenu = Global.MentoringReport;

            var mentorId = Session[Global.LoginID].ToString();

            if (ModelState.IsValid)
            {
                var scMentoringReport = Mapper.Map<ScMentoringReport>(dataRequestViewModel);

                scMentoringReport.MentorId = mentorId;
                scMentoringReport.RegId = mentorId;
                scMentoringReport.RegDt = DateTime.Now;
                scMentoringReport.Status = "N";

                //첨부파일
                if (files != null)
                {
                    var fileHelper = new FileHelper();
                    foreach (var file in files)
                    {
                        if (file != null)
                        {
                            var savedFileName = fileHelper.GetUploadFileName(file);

                            var subDirectoryPath = Path.Combine(FileType.Mentoring_Report.ToString(), DateTime.Now.Year.ToString(), DateTime.Now.Month.ToString());

                            var savedFilePath = Path.Combine(subDirectoryPath, savedFileName);

                            var scFileInfo = new ScFileInfo { FileNm = Path.GetFileName(file.FileName), FilePath = savedFilePath, Status = "N", RegId = Session[Global.LoginID].ToString(), RegDt = DateTime.Now };

                            var scMentoringFileInfo = new ScMentoringFileInfo { ScFileInfo = scFileInfo };

                            //파일타입에 따라 재정의해서 넣어야 함(첨부파일, 사진)
                            scMentoringFileInfo.Classify = fileHelper.HasImageFile(file) ? "P" : "A";
                            
                            scMentoringReport.ScMentoringFileInfoes.Add(scMentoringFileInfo);

                            await fileHelper.UploadFile(file, subDirectoryPath, savedFileName);
                        }
                    }
                }

                //저장
                int result = await _scMentoringReportService.AddScMentoringReportAsync(scMentoringReport);

                if (result != -1)
                    return RedirectToAction("MentoringReportList", "MentoringReport");
                else
                {
                    ModelState.AddModelError("", "자료요청 등록 실패.");
                    return View(dataRequestViewModel);
                }
            }
            ModelState.AddModelError("", "입력값 검증 실패.");
            return View(dataRequestViewModel);
        }