.NET2.0 解析JSON有关问题

    { "name": "潍坊市奎文区东风东街360号", "Status": { "code": 200, "request": "geocode" },"Placemark": [ { "id": "p1", "address": "360号 Dongfeng E St, Kuiwen, Weifang, Shandong, China", "AddressDetails": { "Accuracy" : 8, "Country" : { "AdministrativeArea" : { "AdministrativeAreaName" : "山东省", "Locality" : { "DependentLocality" : { "DependentLocalityName" : "奎文区", "Thoroughfare" : { "ThoroughfareName" : "东风东街360号" } }, "LocalityName" : "潍坊市" } }, "CountryName" : "中国", "CountryNameCode" : "CN" } }, "ExtendedData": { "LatLonBox": { "north": 36.7106660, "south": 36.7079680, "east": 119.1137200, "west": 119.1110220 } },    "Point": { "coordinates": [ 119.1123710, 36.7093170, 0 ] }   }   ]   }  

 错误    1    无法创建抽象类或接口“Newtonsoft.Json.JsonReader”的实例    C:\Com.AoTianhuoli\Com.AoTianhuoli.Web\com.GgMap\getLocalhostAddress.aspx.cs    65    45    Com.AoTianhuoli.Web