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", "");

    System.Collections.IEnumerator  dataEnumerator = dataArray.GetEnumerator();
    Newtonsoft.Json.Linq.JObject    dataJObject;
    while (dataEnumerator.MoveNext())
    {
        dataJObject = dataEnumerator.Current;
    }