private void button1_Click(object sender, EventArgs e)
        {
    Boolean ftpMode = true;

                // Get the object used to communicate with the server.
                FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://100.100.100.83");
                request.Method = WebRequestMethods.Ftp.UploadFileWithUniqueName;

                // This example assumes the FTP site uses anonymous logon.
                request.Credentials = new NetworkCredential("access", "1234!");

                if (ftpMode == true)
                {
                    request.KeepAlive = false;
                }
                // Copy the contents of the file to the request stream.
                StreamReader sourceStream = new StreamReader("C:/blacklist/ticketsblacklist.csv");
                byte[] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
                sourceStream.Close();
                request.ContentLength = fileContents.Length;

                Stream requestStream = request.GetRequestStream();
                requestStream.Write(fileContents, 0, fileContents.Length);
                requestStream.Close();

                FtpWebResponse response = (FtpWebResponse)request.GetResponse();

                Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);

                response.Close();