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(20)      if (Response.ContentEncoding.Length  > 0)
      enc = Encoding.GetEncoding(Response.ContentEncoding);
     else
      enc = Encoding.GetEncoding(1252);
    }
    catch
    {
     // *** Invalid encoding passed
     enc = Encoding.GetEncoding(1252);
    }
    
    // *** drag to a stream
    StreamReader strResponse =
     new StreamReader(Response.GetResponseStream(),enc);
    return strResponse;
   }
   catch(Exception e)
   {
    if (this.bThrowExceptions)
     throw e;

    this.cErrorMsg = e.Message;
    this.bError = true;
    return null;
   }
  }

  /// <summary>
  /// Return a the result from an HTTP Url into a StreamReader.
  /// Client code should call Close() on the returned object when done reading.
  /// </summary>
  /// <param name="Url">Url to retrieve.</param>
  /// <returns></returns>
  public StreamReader GetUrlStream(string Url)
  {
   HttpWebRequest oHttpWebRequest = null;
   return this.GetUrlStream(Url,oHttpWebRequest);
  }

  /// <summary>
  /// Return a the result from an HTTP Url into a StreamReader.
  /// Client code should call Close() on the returned object when done reading.
  /// </summary>