using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = @"{

              'result_ok':true,

              'total_count':'51',

              'data':[{

                'id':'1',

                'status':'Deleted',

                'datesubmitted':'2015-01-12 10:43:47',

                '[question(3)]':'Red',

                '[question(4)]':'Blue',

                '[question(18)]':12,

                '[variable(\'STANDARD_IP\')]':'127.0.0.1',

                '[variable(\'STANDARD_GEOCOUNTRY\')]':'United States'

              }]

            }";

        var obj = JsonConvert.DeserializeObject<RootObject>(json);

        Console.WriteLine("result_ok: " + obj.result_ok);

        Console.WriteLine("total_count: " + obj.total_count);

        Console.WriteLine();

        foreach (Response r in obj.data)

        {

            Console.WriteLine("id: " + r.id);

            Console.WriteLine("status: " + r.status);

            Console.WriteLine("datesubmitted: " + r.datesubmitted);

            foreach (var kvp in r.fields)

            {

                Console.WriteLine(kvp.Key + ": " + kvp.Value);

            }

            Console.WriteLine();

        }

    }

}

​

public class RootObject

{

    public bool result_ok { get; set; }

    public string total_count { get; set; }

    public List<Response> data { get; set; }

}

​

public class Response

{

    public string id { get; set; }

    public string status { get; set; }

    public string datesubmitted { get; set; }

    [JsonExtensionData]

    public Dictionary<string, object> fields { get; set; }

}

​