如果你通过Winform程序调用WebService时收到以下异常:

System.Net.WebException: The operation has timed-out.



可以尝试在Reference.cs里添加:

protected override System.Net.WebRequest GetWebRequest(Uri uri)
  {
   System.Net.HttpWebRequest webRequest =
    (System.Net.HttpWebRequest) base.GetWebRequest(uri);
   webRequest.KeepAlive = false;
   return webRequest;
  }
来解决。

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