double sum from query.value()

[juliano.gomes]

Hello,

I have this situation:

QSqlQuery query;
query.prepare("SELECT * FROM mytable");
query.exec();
query.first();
 
QString value = "";
while (query.next())
    {
        value = query.value(0).toString();
        cout << value.toStdString() << "\n";
    }
in my output i get the 2 values below:
50.450,50
85.336,50

QSqlQuery query;
query.prepare("SELECT * FROM mytable");
query.exec();
query.first();

QString value = "";
while (query.next())
    {
        value = query.value(0).toString();
        cout << value.toStdString() << "\n";
    }
in my output i get the 2 values below:
50.450,50
85.336,50

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with SQL i can do it as below:

"SELECT TOTAL(myfield) FROM mytable"

"SELECT TOTAL(myfield) FROM mytable"

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but i need to do it in my C++ code, so

How could I sum these type of values in my while clause?

Thanks
Juliano