//public async Task<IActionResult> WorkDiary_Content(int? Wd_id,int i)
        public async Task <IActionResult> WorkDiary_Content(int i)
        {
            if (HttpContext.Request.Form["action"] == "수정")
            {
                if (ModelState.IsValid)
                {
                    var wd_id    = HttpContext.Request.Form["Wd_id"].ToString();
                    var input_dt = HttpContext.Request.Form["Input_dt"].ToString();
                    //var update_dt = HttpContext.Request.Form["Update_dt"].ToString();
                    WorkDiary workDiary = new WorkDiary();
                    workDiary.Wd_id     = Convert.ToInt32(wd_id);
                    workDiary.User_id   = User.FindFirst(ClaimTypes.Name).Value;
                    workDiary.Reg_date  = int.Parse(HttpContext.Request.Form["Reg_date"].ToString().Replace("-", ""));
                    workDiary.Title     = HttpContext.Request.Form["Title"];
                    workDiary.Contents  = HttpContext.Request.Form["Contents"];
                    workDiary.Del_flag  = byte.Parse("0");
                    workDiary.Input_dt  = Convert.ToDateTime(input_dt);
                    workDiary.Update_dt = DateTime.Now;

                    // Device_Log 저장 한다
                    _context.Update(workDiary);
                    await _context.SaveChangesAsync();
                }
            }
            else
            {
                if (ModelState.IsValid)
                {
                    var       wd_id     = HttpContext.Request.Form["Wd_id"].ToString();
                    WorkDiary workDiary = new WorkDiary();
                    workDiary.Wd_id     = Convert.ToInt32(wd_id);
                    workDiary.User_id   = User.FindFirst(ClaimTypes.Name).Value;
                    workDiary.Reg_date  = int.Parse(HttpContext.Request.Form["Reg_date"].ToString().Replace("-", ""));
                    workDiary.Title     = HttpContext.Request.Form["Title"];
                    workDiary.Contents  = HttpContext.Request.Form["Contents"];
                    workDiary.Del_flag  = byte.Parse("1");
                    workDiary.Input_dt  = DateTime.Now;
                    workDiary.Update_dt = DateTime.Now;

                    _context.Update(workDiary);
                    await _context.SaveChangesAsync();
                }
            }
            return(RedirectToAction(nameof(WorkDiary)));
        }
        //public async Task<IActionResult> WorkDiary_Write([Bind("Reg_date,User_id,Title,Contents,Del_flag,Input_dt,Update_dt")] WorkDiary workDiary)
        public async Task <IActionResult> WorkDiary_Write(int i)
        {
            if (ModelState.IsValid)
            {
                WorkDiary workDiary = new WorkDiary();
                workDiary.User_id   = User.FindFirst(ClaimTypes.Name).Value;
                workDiary.Reg_date  = int.Parse(HttpContext.Request.Form["Reg_date"].ToString().Replace("-", ""));
                workDiary.Title     = HttpContext.Request.Form["Title"];
                workDiary.Contents  = HttpContext.Request.Form["Contents"];
                workDiary.Del_flag  = byte.Parse("0");
                workDiary.Input_dt  = DateTime.Now;
                workDiary.Update_dt = DateTime.Now;

                // Device_Log 저장 한다
                _context.Update(workDiary);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(WorkDiary)));
            }
            return(View());
        }