AutoCAD Plant 3D

[#1]

We usually need row number to designate entry location, except Tag number. How to generate it automaticly in report creator?

[#2]

I'm still looking myself.  For simple reports you can use the row index feature listed here.

http://docs.autodesk.com/PLNT3D/2012/ENU/report_designer.pdf

But for the Bill of Material type reports that include grouping, I haven't gotten satisfactory results.

[#3]

You can do it using scripts:

http://www.pdoteam.com/2012/07/creating-a-bill-of-material-row-number-in-plant-3d-reports/