<xp:viewPanel rows="12" id="viewPanel1" var="row">
        <xp:this.data>
            <xe:jdbcQuery sqlQuery="SELECT * FROM CUSTOMERS WHERE REGION LIKE ?"
                calculateCount="true" var="jdbcQuery1" connectionManager="jdbcConnectionManager1">
                <xe:this.sqlParameters>
                    <xe:sqlParameter>
                        <xe:this.value><![CDATA[#{javascript:return (!!viewScope.region) ? viewScope.region : "%";}]]></xe:this.value>
                    </xe:sqlParameter>
                </xe:this.sqlParameters>
            </xe:jdbcQuery>
        </xp:this.data>