how to concatenate a variable with a string

[doforumda]

hi i am trying to concatenate a variable with a string. How can i do this?
here is the code

void login::show_user()
{
    QString user_name = user->text();
    QMessageBox::information(this, tr("Your Username"),
                             tr("Your username is user_name"));
}

void login::show_user()
{
    QString user_name = user->text();
    QMessageBox::information(this, tr("Your Username"),
                             tr("Your username is user_name"));
}

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i want to concatenate user_name in QMessageBox to display username

[aamer4yu]

You can simply use + operator, or opt of string arguments..
QString message = "Your user name is " + user_name;
QString message = QString("Your user name is %1").arg(user_name).

Do read Qt Assistant..it helps