QAbstractListModel data to QML TableView why not shown through QQmlApplicationEngine

[anda_skoa]

In CashRegister::buttonPressed() you are accessing the member "linemodel", which is never initialized.
An uninitialized pointer can point to anywhere, in most cases any attempt to access it will cause a crash.

Your problem, as pointed out earlier, is in line 11 of your constructor.
Instead of using a local variable, it should be initializing the member.

Cheers,
_

[kiwimess]

linemodel = new LineModel;

linemodel = new LineModel;

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It works! (I'm dancing here )
Thank you very much Anda for your help!