public ActionResult Edit(int ID)
        {
            PeriodCateViewModel model = new PeriodCateViewModel();
            var entity = PeriodCateService.Find(ID);

            model.CateName = entity.CateName;
            model.ID       = entity.ID;
            model.Code     = entity.Code;

            model.Level      = entity.Level;
            model.OrderIndex = entity.OrderIndex;
            model.PID        = entity.PID;
            ViewBag.Data_PID = GetSelectList(entity.PID.HasValue ? entity.PID.Value : 0);
            return(View(model));
        }
        public ActionResult Edit(PeriodCateViewModel model)
        {
            ViewBag.Data_PID = GetSelectList(model.PID.HasValue ? model.PID.Value : 0);
            ServiceResult result = new ServiceResult();

            TempData["Service_Result"] = result;
            if (ModelState.IsValid)
            {
                try
                {
                    PeriodCate entity = new PeriodCate();
                    entity.ID         = model.ID;
                    entity.CateName   = model.CateName;
                    entity.PID        = model.PID == 0 ? null : model.PID;
                    entity.Level      = model.Level;
                    entity.OrderIndex = model.OrderIndex;

                    entity.Code = model.Code;
                    PeriodCateService.Update(entity);
                    result.Message = "编辑购买周期成功!";
                    LogHelper.WriteLog("编辑购买周期成功");
                    return(RedirectToAction("index"));
                }
                catch (DbEntityValidationException ex)
                {
                    result.Message = Utilities.GetInnerMostException(ex);
                    result.AddServiceError(result.Message);
                    LogHelper.WriteLog("添加购买周期错误", ex);
                    return(View(model));
                }
            }
            else
            {
                result.Message = "请检查表单是否填写完整!";
                result.AddServiceError("请检查表单是否填写完整!");
                return(View(model));
            }
        }