Couldn't change current directory in windows's QT

[sinha.ashish]

Following program is to upload a file from local system to a remote sever.But the file on server after uploading have zero bytes.Correct uploading take place only when i put the file to upload in my application's release folder.Changing the current directory failed.Please help me..

if(QDir::setCurrent(path))
qDebug()<<"path set";
else
qDebug()<<"Couldn't set path";
 QFile *file = new QFile(filename);
 file->open( QIODevice::ReadWrite );
 ftp.connectToHost("192.100.1.00");
 ftp.login("ftp","ftp");
 QFileInfo fi(media);    
 ftp.put(file,fi.fileName(),QFtp::Binary);   
 ftp.close();

if(QDir::setCurrent(path))
qDebug()<<"path set";
else
qDebug()<<"Couldn't set path";
 QFile *file = new QFile(filename);
 file->open( QIODevice::ReadWrite );
 ftp.connectToHost("192.100.1.00");
 ftp.login("ftp","ftp");
 QFileInfo fi(media);    
 ftp.put(file,fi.fileName(),QFtp::Binary);   
 ftp.close();

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