jasper reports - How to make grouping in JasperReports? -

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i generating pdf jasperreports xml data source.

i have table enter image description here

and xml below: 

<multiplerecord type="paf_details">     <record pafno="paf121" mincomm="5" invoiceno="bill000000121" type="exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf122" mincomm="5" invoiceno="bill000000122" type="exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf123" mincomm="5" invoiceno="bill000000123" type="exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf124" mincomm="5" invoiceno="bill000000124" type="exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf125" mincomm="5" invoiceno="bill000000125" type="exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf124" mincomm="5" invoiceno="bill000000124" type="exclusive" category="category i" slabno="slab 2"/>     <record pafno="paf122" mincomm="5" invoiceno="bill000000122" type="exclusive" category="category i" slabno="slab 2"/>     <record pafno="paf123" mincomm="5" invoiceno="bill000000123" type="exclusive" category="category i" slabno="slab 2"/>     <record pafno="paf126" mincomm="5" invoiceno="bill000000126" type="non - exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf127" mincomm="5" invoiceno="bill000000127" type="non - exclusive" category="category i" slabno="slab 1"/>     <record pafno="paf128" mincomm="5" invoiceno="bill000000128" type="non - exclusive" category="category i" slabno="slab 1"/>   </multiplerecord>

how achieve in jasperreports ireport 4.5.1.
new jr.

thanks in advance.

you can use:

<group name="type">     <groupexpression><![cdata[$f{type}]]></groupexpression> </group>

the group can contain group header, group footer ... , can use multiple groups in jasperreport. make sure data sorted, sorting should correspond defined groups. sorting in example seems ok already. can define group in ireport designer.


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