Hide panel if all contained rows are invisible

@Dominic.Lerbs wrote:

I have a panel (let’s call it “PanelA”) of type auto with a border and a TablePanel with multiple rows.
The visibility of the rows if defined through a binding, e.g. it can happen that all rows are invisible.
Currently the border is displayed even if all rows are invisible.

How can I hide (i.e. set the visible property to false) PanelA if all rows of the contained TablePanel have visible = false?

I tried accessing the tablePanel.rowCount, but this is always 0?!

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