deseralize a json string using key value apir

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C#

Hi to all..
Actually my scenario like this:
I took windows application..
I have one rest based json service by using that service i consumed.and i got json string(its is having so many columns are their).and now i deseralized that json string by using key value pair..i tried but not display output..

code like this:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Web.Script.Serialization;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)
{
string apiUrl = "http://api.geonames.org/citiesJSON?formatted=true&north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo&style=full";

Uri address = new Uri(apiUrl);

// Create the web request
System.Net.HttpWebRequest request = System.Net.WebRequest.Create(address) as System.Net.HttpWebRequest;
request.Method = "GET";
request.ContentType = "text/json";

using (System.Net.HttpWebResponse response = request.GetResponse() as System.Net.HttpWebResponse)
{
// Get the response stream
System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream());

string strOutput = reader.ReadToEnd();
string json =strOutput.ToString();

javaScriptSerializer js = new JavaScriptSerializer();
var object1 = js.Deserialize<dictionary><string,object>>(json);

foreach (KeyValuePair<string,object> result in object1)
{
Console.WriteLine("key:{0},key:{1}", result.Key, result.Value);

}

}
}
}
but console.writeline is not used.but how display output in textbox...if any body knows pls let me know..

Thanks in Advance.