//To Connect to ftp
private bool TryConnect()
 {
  bool ret = false;
  try {
   FTP = new FTPConnection();
   FTP.ServerAddress = "192.108.1.10";//Server IP address
   FTP.UserName = "username";//server user name
   FTP.Password = "******";//Password
   FTP.ConnectMode = FTPConnectMode.PASV;
   FTP.Connect();
   ret = FTP.IsConnected;

  } catch (Exception ex) {
  }
  return ret;
 }

//To Send File
if (TryConnect())
{
FTP.UploadFile("Directory", "File Name", false);
}