Hi,
I use QFtp class in order to upload my files to server but after ftp->put I find that files are empty in server
I do not understand what is the problem in the code
My code is here
Qt Code: 
  1. QFtp *ftp = new QFtp(this);
  2.     ftp->setTransferMode(QFtp::Passive);
  3.          //connect(ftp,SIGNAL(commandFinished ( int, bool)),this,SLOT(fincommande()));
  4.          ftp->connectToHost("ftp.icwus.net",21);
  5.         //setValueProgressBar(25);
  6.  
  7.          connect(ftp, SIGNAL(stateChanged(int)), this, SLOT(showNewState(int)));
  8.  
  9.          connect( ftp, SIGNAL( commandFinished( int, bool )),this, SLOT( ftp_commandFinished( int, bool )) );
  10.          connect( ftp, SIGNAL( commandFinished( int, bool )),this, SLOT( ftp1_commandFinished( int, bool )) );
  11.  
  12.          ftp->login("mylogin","mypassword");
  13.          ftp->cd("acrgafsa");
  14.          ftp->mkdir("timetables");
  15.          ftp->cd("timetables");
  16.  
  17.          int i = 0;
  18.          QString filename;
  19.          QString files = QFileDialog::getOpenFileName(this, tr("Select File"),
  20.          "D://");
  21.  
  22.          if (files.isEmpty())
  23.          return;
  24.  
  25.          while(files.indexOf("/", i) != (-1)) //find the file name not include the full url
  26.          i = files.indexOf("/",i) + 1;
  27.          while(i < files.size())
  28.          {
  29.          filename.append(files.at(i));
  30.  
  31.          i++;
  32.          }
  33.  
  34.          QFile *file = new QFile(filename);
  35.  
  36.          Q_ASSERT(file != NULL);
  37.  
  38.          if(!file->open(QIODevice::ReadWrite)) //finished create the file in the debug file
  39.          {
  40.          qDebug() << "opern err" << file->fileName();
  41.          return;
  42.          }
  43.  
  44.          ftp->put(file,filename);
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