FTP connect

        public string ftpconnect(string serveradress, string serverfolder, string username, string password)
        {
            try
            {
                FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(serveradress + "/hei.txt");
                request.Method = WebRequestMethods.Ftp.UploadFile;

                request.Credentials = new NetworkCredential(username, password);
                request.UsePassive = true;
                request.UseBinary = true;
                request.KeepAlive = true;
                string response = request.GetResponse().ToString();
                return "FTP Connection established!";
            }
            catch (Exception e)
            {
                return e.Message;
            }
        }