title: FTP server returned 500 error with ASP.NET C#
body: <p>I 'm developing FTP exe ASP.NET、C#2.0 .</p>
  
  <p>but I FTP server returned 500 error</p>
  
  <pre><code>FtpWebRequest myReq; 
  FtpWebResponse myRes; 
  
  myReq = (FtpWebRequest)WebRequest.Create("ftp://test/aaa.txt"); 
  myReq.Credentials = new NetworkCredential("xxxx", "xxxx"); 
  
  myReq.Method = WebRequestMethods.Ftp.DownloadFile; 
  myRes = (FtpWebResponse)myReq.GetResponse(); // here error occured
  </code></pre>
  
  <p>What's wrong?</p>