Hi Martin,
these two reports can be printed separately, given parameter values being specified in their UI Builder.
There's only ReportName and Parameters as the important properties in subreport.
So I thought when I'm passing the parameters, those values will be used by the report DP and the queries in DP will run accordingly.
While that sounds too convenient, what's the correct way to do the pre-processing/prepare data for the subreport? Is DP is not possible after all?