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Asked: 2026-06-08T23:24:32+00:00

I am still struggling a little with XPath. Current XML <?xml version="1.0" encoding="utf-8" ?>

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I am still struggling a little with XPath.

Current XML

<?xml version="1.0" encoding="utf-8" ?>
<data>
    <table_1 dropdown1="Item1"></table_1>
    <listitems key1="Item1" name="" key2="Id2"/>
    <listitems key1="Item1" name="Item A" key2="Id2"/>
    <listitems key1="Item1" name="Item B" key2="Id2"/>
    <listitems key1="Item1" name="" key2="Id4"/>
    <listitems key1="Item1" name="Item A" key2="Id4"/>
    <listitems key1="Item1" name="Item B" key2="Id4"/>
    <listitems key1="Item2" name="" key2="Id6"/>
    <listitems key1="Item2" name="Item C" key2="Id6"/>
    <listitems key1="Item2" name="Item D" key2="Id6"/>
</data>

Current XSL

<xsl:stylesheet version="1.0"
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output omit-xml-declaration="yes" indent="yes"/>           

    <xsl:template match="/">
        <html>
            <head>
                <title>Untitled</title>
            </head>
            <body>
                <xsl:for-each select="/data/listitems[@key1=/data/table_1/@dropdown1]">
                    <xsl:value-of select="@name"/>                    
                    <br/>
                </xsl:for-each>
                
            </body>
        </html>
    </xsl:template>

    <xsl:template match="listitems">
        <xsl:value-of select="concat(@name, ' ')" />
    </xsl:template>
</xsl:stylesheet>

Current Result:

enter image description here

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1 Answer

  1. Editorial Team

    Assuming you consider <listitems> elements with the same name attribute as duplicates, you can use XPath’s preceding-sibling axis to ignore any elements that are duplicates:

    <xsl:for-each select="/data/listitems[@key1=/data/table_1/@dropdown1][not(@name = preceding-sibling::listitems/@name)]">

    That means, you select all the items you selected, with the additional restriction that there not be any preceding <listitems> sibling element whose name attribute has the same value as that of the element being tested.

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