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Subreport data to be either Connection or DataSour


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I have created the master report with subreport inside it. I want the subreport connection/datasource expression to be dynamic

i.e. I should be able to use the Connection or DataSource as per the Parameters value so that When i am working with Ireport then it wil use Connection and when i am coding it it will use DataSource


So I wrote

$P{RunMode}.intValue()==1?$P{REPORT_CONNECTION}:new JRBeanCollectionDataSource($P{subReportParam})


But it throws error saying Incompatible conditional operand Types during compiling


I think the error is as we have o choose either datasourceexpression or connectionexpression


I think we need some way to specify the expression which will convey whether to use datasourceexpression or connectionexpression


Is there any way out


Thanks in advance



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