how to use sudo command in Qprocess

[iswaryasenthilkumar]

i want to execute this shell command in qt

sudo ./filename.sh

sudo ./filename.sh

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this code executng in terminal,,while in Qprocess i getting error

/bin/sh: 0: Can't open sudo

/bin/sh: 0: Can't open sudo

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my code below:

QProcess process;
bool x;
qint8 status;
x=process.startDetached("/bin/sh", QStringList()<< "sudo "<<"./samp.sh");
qDebug()<<process.readAllStandardOutput();
status=process.waitForFinished();
if(!x)
{
    qDebug()<<process.errorString();
}
else
{
    qDebug()<<"success";
}

QProcess process;
bool x;
qint8 status;
x=process.startDetached("/bin/sh", QStringList()<< "sudo "<<"./samp.sh");
qDebug()<<process.readAllStandardOutput();
status=process.waitForFinished();
if(!x)
{
    qDebug()<<process.errorString();
}
else
{
    qDebug()<<"success";
}

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after searching i got one solution for sudo which wysota said
http://www.qtcentre.org/threads/3962...commands-linux

QString apath,program;
QStringList args;
apath=QDir("/bin/bash").absolutePath());
program="gksudo";//i used gksudo i getting no answer
args << "apt-get install";
process->start(program,args);

QString apath,program;
QStringList args;
apath=QDir("/bin/bash").absolutePath());
program="gksudo";//i used gksudo i getting no answer
args << "apt-get install";
process->start(program,args);

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how to use sudo commang in Qprocess please give me suggestion for this
Thanks in advance