Qt Sql Databse Connection

Sql Database Connection code snippet

QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
db.setHostName("HOST_NAME");
db.setDatabaseName("database_name");
db.setUserName("db_user");
db.setPassword("db_password");
bool ok = db.open();if(ok){
    // Houston we have connection!
}

In order this to work you have to create ODBC connection in

Control Panel/Administrative Tools/ODBC Data Source Administrator/System DSN/Add...