Web-automation.ru

Решение:

public static void GetPage(String url) 
{
  try 
  { 
     // Creates an HttpWebRequest for the specified URL. 
     HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url); 
     // Sends the HttpWebRequest and waits for a response.
     HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse(); 
     if (myHttpWebResponse.StatusCode == HttpStatusCode.OK)
       Console.WriteLine("\r\nResponse Status Code is OK and StatusDescription is: {0}",
     myHttpWebResponse.StatusDescription);
 // Releases the resources of the response.
 myHttpWebResponse.Close(); 
   
  } 
  catch(WebException e) 
  {
     Console.WriteLine("\r\nWebException Raised. The following error occured : {0}",e.Status); 
  }
  catch(Exception e)
  {
    Console.WriteLine("\nThe following Exception was raised : {0}",e.Message);
  }