not showing google url

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C#

C#4.0

In Google we write the keyword and search result display. In my application i want to fetch that url that is shown in google. I hv ceated a textbox and a button.my code is

public void SkanLink(string url)
       {
           WebClient client = new WebClient();
           string html = client.DownloadString(url);

           // Scan links on this page
           HtmlTag tag;

           HtmlParser.HtmlParser parse = new HtmlParser.HtmlParser(html);
           fs = new FileStream("D:\\URL.txt", FileMode.Create, FileAccess.Write);
           sw = new StreamWriter(fs);
           while (parse.ParseNext("a", out tag))
           {


               if (tag.Attributes.TryGetValue("href", out value))
               {

                   sw.WriteLine(value);

               }


           }
           sw.Close();
          MessageBox.Show("File Created in D:\\URL.txt");

       }

as we typed the hello in google and click search. Now copy the url that shows in browser and past it in text box then click.



My 1st Question is it posible to fetch url without using googleapi?
If yes plz provide me some link.