C# 4.0 如何在C中使用httpwebrequest将zip文件上载到服务器#

我无法将zip文件上载到服务器。上载此文件时，我收到500个内部服务器错误

请帮帮我

BinaryReader可以工作：

FileInfo fInfo = new FileInfo(file.FullName);
//long numBytes = fInfo.Length;

FileStream fStream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read);

BinaryReader br = new BinaryReader(fStream);

byte[] bdata = br.ReadBytes((int)numBytes);

br.Close();

fStream.Close();

// Write bdata to the HttpStream
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create("url-here");
// Additional webRequest parameters settings.
HttpStream stream = (Stream)webRequest.GetRequestStream();
stream .Write(bdata, 0, bdata.Length);
stream.Close();

HttpWebResponse response = (HttpWebRewponse)webRequest.GetResponse();

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你能给我们更多关于你的问题的信息吗？你的代码是什么？