Print when detail overflows in ireport

The most reliable and efficient way to execute a report through a web app (for this example I’ll be using servlets) is to have the report pre-compiled and ready.

Jasper detail band on new page

You can place ur SQL Qurrey inside the report itself or pass a java ResultSet object when creating a report.

First you need to convert your compiled .jasper file to a java object. Jasper API provides the class called JasperReport for this purpose.

We also need to know the templateURL (The physical location of the jasper file on the server)

import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.JasperReport;

JasperReport jasperReport = (JasperReport) JRLoader.loadObject (templateURL);

Then Create the JasperPrint Object using the parameters and the resultset.

jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, new JRResultSetDataSource(resultSet));

res

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print when detail overflow