public string QueryShippingCarriorAll() { string json = string.Empty; _shippingCarriorMgr = new ShippingCarriorMgr(connectionString); int totalCount = 0; List<ShippingCarriorCustom> shippingcariors = _shippingCarriorMgr.QueryAll(new ShippingCarriorCustom(), out totalCount); json = "{success:true,totalCount:" + totalCount + ",items:" + JsonConvert.SerializeObject(shippingcariors) + "}"; return json; }