[Qt-interest] qt connect sql server

[André Somers]

You might want to try actually setting some SQL in the query?

Andre

2011/9/7 pengliang(彭亮) <pengliang at founder.com>

>  Hi All****
>
>          Please see the snippets.****
>
>          Why query.exec(str) print true, query.isValid print false? Why?
> And query.lastError print false;****
>
> How do I know what is problem ,why query.isValid print false?****
>
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>      QSqlQuery query;****
>
>      qDebug() << "exec: " << query.exec(str);****
>
> qDebug() << "query.isValid: " << query.isValid();****
>
> qDebug() << "query.lastError: " << query.lastError().isValid();****
>
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> exec: true ****
>
> query.isValid: false ****
>
> query.lastError: false****
>
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> thanks****
>
> ken****
>
> ** **
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