using System;

using System.Text;

using System.IO;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = @"

            [

              {

                ""firstname"": ""Joe"",

                ""lastname"": ""Schmoe""

              },

              {

                ""firstname"": ""John"",

                ""lastname"": ""Doe""

              },

              {

                ""firstname"": ""Bob"",

                ""lastname"": ""Smith""

              },

              {

                ""firstname"": ""Jane"",

                ""lastname"": ""Adams""

              }

            ]

            [

              {

                ""firstname"": ""Mike"",

                ""lastname"": ""Edwards""

              },

              {

                ""firstname"": ""Tom"",

                ""lastname"": ""Jones""

              },

              {

                ""firstname"": ""Sandra"",

                ""lastname"": ""Davis""

              },

              {

                ""firstname"": ""David"",

                ""lastname"": ""Johnson""

              }

            ]";

        byte[] bytes = Encoding.UTF8.GetBytes(json);

        // replace the MemoryStream here with the InputStream from your web request

        using (MemoryStream stream = new MemoryStream(bytes))

        using (StreamReader sr = new StreamReader(stream))

        using (JsonTextReader reader = new JsonTextReader(sr))

        {

            reader.SupportMultipleContent = true;

            var serializer = new JsonSerializer();

            while (reader.Read())

            {

                if (reader.TokenType == JsonToken.StartObject)

                {

                    Contact c = serializer.Deserialize<Contact>(reader);

                    Console.WriteLine(c.FirstName + " " + c.LastName);

                }

            }

        }

    }

}

​

class Contact

{

    public string FirstName { get; set; }

    public string LastName { get; set; }

}

​