ActiveReports 12
Subreport Walkthroughs

Follow step-by-step tutorials as you create Visual Studio projects using the ActiveReports Subreport control. You can use the subreport control to embed a report within another report. Subreports are executed each time the parent section (i.e. the section in which the Subreport control is placed) is printed. Some ways to use subreports include:

Subreports with Run-Time Data Sources
Learn how to embed a subreport in a main report, passing the data source from the main report to the subreport at run time.
Subreports with XML Data
Learn how to use XML data with subreports.