在WinForm中通过HTTP协议向服务器端上传文件

在WinForm中通过HTTP协议向服务器端上传文件(21)   /// <param name="Request">A Request object</param>
  /// <returns></returns>
  public StreamReader GetUrlStream(HttpWebRequest Request)
  {
   return this.GetUrlStream(Request.RequestUri.AbsoluteUri,Request);
  }

  /// <summary>
  /// Return a the result from an HTTP Url into a string.
  /// </summary>
  /// <param name="Url">Url to retrieve.</param>
  /// <returns></returns>
  public string GetUrl(string Url)
  {
   StreamReader oHttpResponse = this.GetUrlStream(Url);
   if (oHttpResponse == null)
    return "";

   string lcResult = oHttpResponse.ReadToEnd();
   oHttpResponse.Close();

   return lcResult;
  }

  /// <summary>
  /// Return a the result from an HTTP Url into a string.
  /// </summary>
  /// <param name="Url">Url to retrieve.</param>
  /// <returns></returns>
  public byte[] GetUrlBytes(string Url)
  {
   StreamReader oHttpResponse = this.GetUrlStream(Url);
   
   if (oHttpResponse == null)
   {
    return null;
   }

   string lcResult = oHttpResponse.ReadToEnd();
   oHttpResponse.Close();

   return null;
  }

  /// <summary>
  /// Retrieves URL with events in the OnReceiveData event.
  /// </summary>
  /// <param name="Url"></param>
  /// <param name="BufferSize"></param>