[Question] How to restart 'rownumbers' on every group when `grouping`?

[systemsolutionweb]

Is there a way to restart rownumbers count at one on every group when grouping is On?
CURRENT:

EXPECTED:

[Tony Tomov]

Sorry for delay. For now there is no build in functionality. We have the information stored in internal variable and I will see if we can implement this - good idea.

[parallels999]

I like this feature