In the server, a report unit is the collection of elements for retrieving data and formatting output. Elements of a Report Unit shows these elements:
• The data source and query that retrieves data for the report.
• The main JRXML that determines the layout and is the core of the report unit.
• The main JRXML defines other elements in one of the following ways:
• Creating definitions internally
• Referring to existing elements in the repository using the repo: syntax
• The input controls and other resources.
For more information about the report unit, refer to the JasperReports Server Ultimate Guide.
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