Filter by variable Client

[info@2next.it]

Hello,
I have wpf v2 designer versione 2026.1.3, the last version with ultimate license.

In my report i want to create a variable to filter report on by client viewer. I create a variable lika as in image.

1.png (141.79 KiB) Viewed 12 times

Then, in my band i want filter data but I can't or i don't kown how can i do it.


If I use expression like this: IIF(Variable != null, Variable == Test.DescRisorseCompl, true)

2.png (32.05 KiB) Viewed 12 times

I get error:

3.png (24.25 KiB) Viewed 12 times

In other way i try this method: create a filter like as in image, but doesn't work

4.png (18.44 KiB) Viewed 12 times

I try also in other way like this, doesn't work:

5.png (148.95 KiB) Viewed 12 times

I see into filter of band that is not visible flag "Filter is active?"... missing?

Can you help me?