Pass JSON from main report and create dataset in subreport - FAQs - Jaspersoft Community

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Pass JSON from main report and create dataset in subreport
By sthomas_3

September 26, 2017
Version: v6.4 Product: JasperReports Server JSON Data Source
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Issue:
Pass json data from Main report to sub report and then to Table dataset.
Solution:
For passing the data from main report to subreport it could be done as below:
[toc]
<dataSourceExpression> <![CDATA[((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("data")]]> </dataSourceExpression>
And for passing from Subreport to table dataset it can be done via same expression given as below:
<dataSourceExpression> <![CDATA[((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("tableData")]]> </dataSourceExpression>
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nicknxswart.nl 0

Posted September 28, 2020

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When you want to pash the full json to the sub report you could use:
((net.sf.jasperreports.engine.data.JsonQLDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("*^")

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