Jasper sub report的记录数有关问题

Jasper sub report的记录数问题

<subreportParameter name="caseID">
<subreportParameterExpression><![CDATA[$P{caseID}]]></subreportParameterExpression>
</subreportParameter>
<connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
<subreportExpression name="code"><textField evaluationTime="Report"><reportElement x="0" y="20" width="802" height="20"/><textElement textAlignment="Left"><font size="10" isBold="false"/></textElement><textFieldExpression class="java.lang.String"><![CDATA[($V{REPORT_COUNT}==0?"No records found.":"")]]></textFieldExpression></textField>??

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