.net programmatically download a file

        /// <summary>

        ///  retrieves the created pdf file

        /// </summary>

        private void DownloadFile(string documentSourceUri, string outputFilePath)

        {

            WebClient client = new WebClient

            {

                Credentials = new NetworkCredential(_ftkGetUser, _ftkGetPassword)

            };

            client.DownloadFile(documentSourceUri, outputFilePath);

        }