FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(fld);
                        request.Credentials = new NetworkCredential(User, Pass);
                        request.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
                        using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) /// <<< ВОТ ТУТ ОШИБКА!!!
                        {
                            using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                            {
                                string line = reader.ReadToEnd();
                            }
                        }