4.0.2 version,If I don't use Table,javabean data can show,but I create a table,it show null.I don't know why? Code:<?xml version="1.0" encoding="UTF-8"?><jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="CarrierNoteDetail" language="groovy" pageWidth="612" pageHeight="792" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20"> <property name="ireport.zoom" value="1.5"/> <property name="ireport.x" value="0"/> <property name="ireport.y" value="0"/> <style name="Column header" forecolor="#666666" fontName="Arial" fontSize="12" isBold="true"/> <style name="Detail" fontName="Arial" fontSize="12"/> <style name="table"> <box> <pen lineWidth="1.0" lineColor="#000000"/> </box> </style> <style name="table_TH" mode="Opaque" backcolor="#F0F8FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table_CH" mode="Opaque" backcolor="#BFE1FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table_TD" mode="Opaque" backcolor="#FFFFFF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 1"> <box> <pen lineWidth="1.0" lineColor="#000000"/> </box> </style> <style name="table 1_TH" mode="Opaque" backcolor="#F0F8FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 1_CH" mode="Opaque" backcolor="#BFE1FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 1_TD" mode="Opaque" backcolor="#FFFFFF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> <conditionalStyle> <conditionExpression><![CDATA[new Boolean($V{REPORT_COUNT}.intValue()%2==0)]]></conditionExpression> <style backcolor="#EFF7FF"/> </conditionalStyle> </style> <style name="table 2"> <box> <pen lineWidth="1.0" lineColor="#000000"/> </box> </style> <style name="table 2_TH" mode="Opaque" backcolor="#F0F8FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 2_CH" mode="Opaque" backcolor="#BFE1FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 2_TD" mode="Opaque" backcolor="#FFFFFF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 3"> <box> <pen lineWidth="1.0" lineColor="#000000"/> </box> </style> <style name="table 3_TH" mode="Opaque" backcolor="#F0F8FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 3_CH" mode="Opaque" backcolor="#BFE1FF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <style name="table 3_TD" mode="Opaque" backcolor="#FFFFFF"> <box> <pen lineWidth="0.5" lineColor="#000000"/> </box> </style> <subDataset name="Table Dataset 1" whenResourceMissingType="Empty"> <field name="code" class="java.lang.String"> <fieldDescription><![CDATA[code]]></fieldDescription> </field> <field name="name" class="java.lang.String"> <fieldDescription><![CDATA[name]]></fieldDescription> </field> <field name="applyAmount" class="java.lang.Double"> <fieldDescription><![CDATA[applyAmount]]></fieldDescription> </field> <field name="wpCode" class="java.lang.String"> <fieldDescription><![CDATA[wpCode]]></fieldDescription> </field> </subDataset> <queryString> <![CDATA[]]> </queryString> <background> <band splitType="Stretch"/> </background> <title> <band splitType="Stretch"/> </title> <detail> <band height="51" splitType="Stretch"> <componentElement> <reportElement key="table 3" style="table 3" x="0" y="0" width="572" height="50"/> <jr:table xmlns:jr="http://jasperreports.sourceforge.net/jasperreports/components" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports/components http://jasperreports.sourceforge.net/xsd/components.xsd"> <datasetRun subDataset="Table Dataset 1"> <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.JREmptyDataSource(1)]]></dataSourceExpression> </datasetRun> <jr:column width="90"> <jr:columnHeader style="table 3_CH" height="30"> <staticText> <reportElement x="0" y="0" width="90" height="30"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <text><![CDATA[Code]]></text> </staticText> </jr:columnHeader> <jr:detailCell style="table 3_TD" height="20"> <textField> <reportElement x="0" y="0" width="90" height="20"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <textFieldExpression class="java.lang.String"><![CDATA[$F{code}]]></textFieldExpression> </textField> </jr:detailCell> </jr:column> <jr:column width="90"> <jr:columnHeader style="table 3_CH" height="30"> <staticText> <reportElement x="0" y="0" width="90" height="30"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <text><![CDATA[Name]]></text> </staticText> </jr:columnHeader> <jr:detailCell style="table 3_TD" height="20"> <textField> <reportElement x="0" y="0" width="90" height="20"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <textFieldExpression class="java.lang.String"><![CDATA[$F{name}]]></textFieldExpression> </textField> </jr:detailCell> </jr:column> <jr:column width="90"> <jr:columnHeader style="table 3_CH" height="30"> <staticText> <reportElement x="0" y="0" width="90" height="30"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <text><![CDATA[Amount]]></text> </staticText> </jr:columnHeader> <jr:detailCell style="table 3_TD" height="20"> <textField> <reportElement x="0" y="0" width="90" height="20"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <textFieldExpression class="java.lang.Double"><![CDATA[$F{applyAmount}]]></textFieldExpression> </textField> </jr:detailCell> </jr:column> <jr:column width="90"> <jr:columnHeader style="table 3_CH" height="30"> <staticText> <reportElement x="0" y="0" width="90" height="30"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <text><![CDATA[WorkPackage]]></text> </staticText> </jr:columnHeader> <jr:detailCell style="table 3_TD" height="20"> <textField> <reportElement x="0" y="0" width="90" height="20"/> <textElement> <font pdfFontName="STSong-Light" pdfEncoding="UniCNS-UCS2-H" isPdfEmbedded="true"/> </textElement> <textFieldExpression class="java.lang.String"><![CDATA[$F{wpCode}]]></textFieldExpression> </textField> </jr:detailCell> </jr:column> </jr:table> </componentElement> </band> </detail></jasperReport>
