In a report, there are three groups of objects that can store values:
• | Fields |
• | Parameters |
• | Variables |
Jaspersoft Studio uses these objects in data source queries. In order to use these objects in a report, they must be declared with a discrete type that corresponds to a Java class, such as String or Double. After they have been declared in a report design, the objects can be modified or updated during the report generation process.
This chapter contains the following sections:
• | Understanding Fields |
• | Registration of Fields from an SQL Query |
• | Registration of JavaBean Fields |
• | Fields and Text Fields |
• | Data Centric Exporters |
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