private List <string> GetNotEmptyLineList(Data.Job.JobDetailData detailData)
        {
            List <string> detailLineList = new List <string>();

            if (!detailData.l1.Equals(""))
            {
                detailLineList.Add(detailData.l1);
            }
            if (!detailData.l2.Equals(""))
            {
                detailLineList.Add(detailData.l2);
            }
            if (!detailData.l3.Equals(""))
            {
                detailLineList.Add(detailData.l3);
            }
            if (!detailData.l4.Equals(""))
            {
                detailLineList.Add(detailData.l4);
            }
            if (!detailData.l5.Equals(""))
            {
                detailLineList.Add(detailData.l5);
            }
            if (!detailData.l6.Equals(""))
            {
                detailLineList.Add(detailData.l6);
            }

            return(detailLineList);
        }
        // ================== Job Detail for candidate =========
        public async Task <ActionResult> JobDetailCandidate(string job)
        {
            Data.Job.JobAllData selectedJob = await Data.Job.GetJobDetail(job);

            ViewData["SelectedJob"] = selectedJob;

            List <Data.Job.Category> categoryList = await Data.Job.GetCategoryList();

            ViewData["CategoryList"] = categoryList;


            // =================== job detail ========================================
            Data.Job.JobDetailData detail1 = JsonConvert.DeserializeObject <Data.Job.JobDetailData>(selectedJob.detail_1);
            Data.Job.JobDetailData detail2 = JsonConvert.DeserializeObject <Data.Job.JobDetailData>(selectedJob.detail_2);
            Data.Job.JobDetailData detail3 = JsonConvert.DeserializeObject <Data.Job.JobDetailData>(selectedJob.detail_3);
            Data.Job.JobDetailData detail4 = JsonConvert.DeserializeObject <Data.Job.JobDetailData>(selectedJob.detail_4);
            Data.Job.JobDetailData detail5 = JsonConvert.DeserializeObject <Data.Job.JobDetailData>(selectedJob.detail_5);


            Detail jobDetail1 = new Detail()
            {
                title    = detail1.title,
                LineList = GetNotEmptyLineList(detail1)
            };
            Detail jobDetail2 = new Detail()
            {
                title    = detail2.title,
                LineList = GetNotEmptyLineList(detail2)
            };
            Detail jobDetail3 = new Detail()
            {
                title    = detail3.title,
                LineList = GetNotEmptyLineList(detail3)
            };
            Detail jobDetail4 = new Detail()
            {
                title    = detail4.title,
                LineList = GetNotEmptyLineList(detail4)
            };
            Detail jobDetail5 = new Detail()
            {
                title    = detail5.title,
                LineList = GetNotEmptyLineList(detail5)
            };

            Console.WriteLine("detail 5 line list count = " + jobDetail5.LineList.Count);

            JobDetail jobDetailData = new JobDetail()
            {
                detailList = new List <Detail>()
            };

            if (jobDetail1.LineList.Count != 0)
            {
                jobDetailData.detailList.Add(jobDetail1);
            }
            if (jobDetail2.LineList.Count != 0)
            {
                jobDetailData.detailList.Add(jobDetail2);
            }
            if (jobDetail3.LineList.Count != 0)
            {
                jobDetailData.detailList.Add(jobDetail3);
            }
            if (jobDetail4.LineList.Count != 0)
            {
                jobDetailData.detailList.Add(jobDetail4);
            }
            if (jobDetail5.LineList.Count != 0)
            {
                jobDetailData.detailList.Add(jobDetail5);
            }

            ViewData["JobDetailData"] = jobDetailData;

            return(View("job_detail_candidate"));
        }