public GetItemListResult GetCategoryList(GetCategoryListArgs args)
        {
            List <CommandParameter> parameterList = new List <CommandParameter>();

            parameterList.Add(new CommandParameter("@informationId", args.InformationId));
            parameterList.Add(new CommandParameter("@page", args.Page));
            parameterList.Add(new CommandParameter("@pageSize", args.PageSize));

            DataSet dsResult =
                _dataBase.ExecuteDataSet(CommandType.StoredProcedure, "GetInformationCategoryList", parameterList, new string[] { "result" });

            if (dsResult.Tables[0].Rows.Count == 0 && args.Page > 1)
            {
                args.Page--;
                return(GetCategoryList(args));
            }

            GetItemListResult result = new GetItemListResult();

            result.ItemList = dsResult.Tables[0];

            int totalCount = int.Parse(dsResult.Tables[1].Rows[0][0].ToString());

            result.TotalPage = totalCount / args.PageSize;
            if (totalCount % args.PageSize > 0)
            {
                result.TotalPage++;
            }
            result.Page = args.Page;

            return(result);
        }
        public ActionResult GetCategoryList()
        {
            GetCategoryListArgs args = RequestArgs <GetCategoryListArgs>();

            if (args == null)
            {
                return(RespondResult(false, "参数无效。"));
            }

            GetItemListResult result = _informationManager.GetCategoryList(args);

            return(RespondDataResult(result));
        }