Hi Abel,
What i understand is that ....you are trying to Drilldown two Queries in a Workbook and Drill down of one Query should also result into drilldown of the second query.....
My Views..
1)Drilldown of queries in a workbook will affect both queries and will result in overlapping of Results.
2)If we re trying to cascade drilldown..then i am not sure of that option ..however we can have common filter for a FIELD for both queries...
regards
SVU