Private Proxy Error in c#

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C#

proxy

Hello All,

I want to use my private proxy in C# desktop application to get the data from some website. I am using the below code :

WebProxy myProxy = new WebProxy();
     myProxy.Address = new Uri("MY_PRIVATE_PROXY:PORT");
     myProxy.Credentials = new NetworkCredential("MY_PROXY_ID", "MY_PROXY_PASS");

     String loingStr = string.Format("http://www.google.com/");
     HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(loingStr);
     myRequest.Proxy = myProxy;
     myRequest.Method = "GET";
     WebResponse myResponse = myRequest.GetResponse();

I works great without error.

But When I try to use :

String loingStr = string.Format("http://www.google.com/search?q=money&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a");

in above code it gives me following error :

The remote server returned an error: (403) Forbidden.

Please help me.

Awaiting response.

Thanks
Kapil Waghe