jObject

    JObject             jObj;
    JArray              dataJArray = new Newtonsoft.Json.Linq.JArray();

    jObj  = new JObject();

    jObj.Add("code", ecoResCategory.code);
    jObj.Add("name", ecoResCategory.Name);
    dataJArray.Add(jObj);

    keyinfo = int642Str( ecoResCategory.RecId );
    return strReplace(DataJArray.ToString(), "\r\n", "");