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Andrea Maioli – Instant Developer: User's Guide
2) Deselect the Keep together flag for the box: this way can it be divided across several pages.
3) Deselect the Keep together flag of the section containing the subreport, so that the
section can be broken into different pages.
You can also have subreports arranged horizontally or in a matrix using multi-column
detail sections, with horizontal as well as vertical sorting.
Note that using subreports should be avoided whenever possible because it requires
running an additional query for each detail row of the main report. If possible, it is
much more efficient to create a main report with a more complex query, which is then
grouped showing data at multiple levels.
Finally, you can create additional levels of subreports, but performance can degrade due to multiplication of queries. Moreover, not all formatting features described
in the preceding sections may be available.
6.6.1 Use of graphs
Inside a section box, you can insert a graph with the Add graph command in the context
menu of the section box. Again in this case, the box must not contain a span.
Configuring graphs will be covered in the next chapter. As with subreports, their query
can refer to columns of the main report and may be based on both in-memory and database tables.
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