public string Get_PageInfo_IWantToSupply_List(QueryCommon <IWantToBuyQuery> query) { if (base.CurrentUser != null) { query.ParamInfo.PurchaseID = base.CurrentUser.Id; } Result_Model <PageInfo> resModel = new Result_Model <PageInfo>(); resModel = iWantToBuyService.Get_PageInfo_IWantToSupply_List(query); return(Newtonsoft.Json.JsonConvert.SerializeObject(resModel)); }