Empty subreports not visible

[2002 JI Open Discussion]

By: Rick Sperko - rsperko

Empty subreports not visible

2003-04-18 06:20

I am creating a report that has several subreports. I want the subreports to show up even if there is no data. My report and subreport use JRBeanCollectionDataSource. When the collection this is wrapping contains data the subreports show up fine.

 

Here is the XML I am using to instantiate the subreport:

 

<subreport>

<reportElement width="250" y="40" x="300" height="30" isPrintRepeatedValues="true" isRemoveLineWhenBlank="false"></reportElement>

<dataSourceExpression>$F{currentPriceSurchargeRows}</dataSourceExpression>

<subreportExpression class="dori.jasper.engine.JasperReport">$P{surchargeReport}</subreportExpression>

</subreport>

 

The getCurrentPriceSurchargeRows method on my row class returns a JRDataSource. As I said, the subreport works fine when there is data.

 

Thank you,

-Rick

 

 

 

 

By: Enrico Goosen - enricogoosen

RE: Empty subreports not visible

2003-05-13 02:46

Set the "whenNoDataType" attribute of the "jasperReport" element, so that the subReport displays even when the datasource is empty.

 

Enrico