What is the most robust way to make http request [closed]

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I usually use this approach to make sure all http classes are properly disposed and nothing is left hanging in memory:

HttpWebRequest request = WebRequest.Create("http://xxxx") as HttpWebRequest;
using (HttpWebResponse response = request.GetResp开发者_C百科onse())
  using (Stream stream = response.GetResponseStream())
    ... do my stuff ...

Any better idea?