How hide graphs with conditional presentation

[canmarroig]

Hello, I've a dashboard for sales manager showing 15 different gauges rapresenting KPI of a commercial dept. cycling on different time dimension

So i've loaded inline list KPI

LOAD * INLINE [_metricsNo, _metricsKPI

1, %Sales on target

2, %Quantity

3, %Nr Customer

.....

On expression ì've put the condition SubStringCount(Concat(_metricsNo, '|'), n°)

In this way i've build a list on metricsKPI and i can see all or focus on some selected KPIs.

I need a help how to use conditional presentation to show/hide objects since now, if deselected, i have only a error message that show an empty space with "kpi deselected".

Thank you

[canmarroig]

Perfect, thank you!!!

[canmarroig]

Just one more question: if I deselect every KPI, QV shows all the gauges how can I obtain an empty page? Tks

[#4]

See attached.

and  GetSelectedCount(_metricsKPI)>0

Btw: I really liked the answers; i didn't use this conditional stuff before.

Thanks!

[canmarroig]

Tks!