Solved QSqlRelational filter.
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This is probably asked a million times before, but could not find the short answer. I'm setting up a model->setFilter from a drop down menu. This is the function called by clicking on the dropdown:
void CostCountry::on_country_activated(const QString &arg1) { model->setFilter(QString("countries.name=%1".arg(arg1))); }
Getting this error: request for member 'arg' in '"countries.name=%1"', which is of non-class type 'const char [18]'
model->setFilter(QString("countries.name=%1".arg(arg1)));
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it's
QString("countries.name=%1").arg(arg1)
arg() is a QString method.
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Embarrassed, did not see that closing parenthesis.