how can i create a report that can use dynamically the r-group as column? after i run a r-gruop decomposition is possible to have different number of r-group and if I fix number of column in report this give an error ? how can i pass to report the ability to create the number of r-group columns?
We actually have a wiki article on this. Have a look and let us know how it works. I would probably go for the nested data binding approach since you will probably want to render the structures of R-groups and I'm not yet convinced this is possible in a Cross Tab report item.