C# 如何从谷歌api获取邮政编码数据？

我正在尝试从谷歌地理编码api获取邮政编码

只取邮政编码

请帮帮我

 string _Postcode = (from x in gpr.results[0].address_components.AsQueryable()
                                                where x.types.Contains("postal_code")
                                                select x.long_name).FirstOrDefault();

 string _Postcode = (from x in gpr.results[0].address_components.AsQueryable()
                                                where x.types.Contains("postal_code")
                                                select x.long_name).FirstOrDefault();