Passing parameters from main report to subreport in Jasper

Question

I have a JasperReport where I am passing the report Date from a Main Report to a sub report. This works fine. I also have another where I am passing the same parame

Answer 1

My guess is they are using a default value.

Assuming the name of the Parameter in the Main Report is TEST_DATE and the name in the Sub-report is TEST_DATE2 then you need to add the following in between the opening and closing subreport elements in the XML:

For the sake of completeness, here is an example that has a main report and a subreport, that should work by just changing the value for SUBREPORT_DIR to point to where you have them placed.

report1.jrxml

report1_subreport1.jrxml