Use parameters to pass dynamic information (like date ranges or regions) to your reports, allowing for interactive filtering.
: Back up your .jrsks and .jrsksp keystore files; if these are lost, the server may become inaccessible. Updating Your Workspace - 10.0.0 - Jaspersoft Community
Add a WHERE clause to your SQL query that uses the parameter syntax: WHERE region_field = $PReport_Region .
Always use Font Extensions for PDF generation. If a font is not embedded in the report package, the PDF engine will fall back to default system fonts, completely ruining your text alignments and spacing. 3. Leverage Subreports Wisely
3. Leverage Reusability via Styles, Subreports, and Templates
Set the Print Repeated Values property properly and check Stretch With Detail for text fields. This allows fields to expand vertically if the data exceeds the design width.
