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  • Amir Khan 1287 posts 2744 karma points
    Sep 13, 2011 @ 21:20
    Amir Khan
    0

    XSL:Choose always returning null

    Hi,

    I'm using the following xsl:choose statement to check for the "metaTItle" field in my master document type, it is constantly returning null. Am I missing something?


    Thanks!

    Amir

    <xsl:choose>
    <xsl:when test="$currentPage/data[@alias='metaTitle'] != 0">
      Hello!
     </xsl:when>
     <xsl:otherwise>
      Goodbye!
     </xsl:otherwise>
    </xsl:choose>
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  • Amir Khan 1287 posts 2744 karma points
    Sep 13, 2011 @ 21:38
    Amir Khan
    0

    Got it!

    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE xsl:stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
    <xsl:stylesheet
      version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
      xmlns:msxml="urn:schemas-microsoft-com:xslt"
      xmlns:umbraco.library="urn:umbraco.library" xmlns:Exslt.ExsltCommon="urn:Exslt.ExsltCommon" xmlns:Exslt.ExsltDatesAndTimes="urn:Exslt.ExsltDatesAndTimes" xmlns:Exslt.ExsltMath="urn:Exslt.ExsltMath" xmlns:Exslt.ExsltRegularExpressions="urn:Exslt.ExsltRegularExpressions" xmlns:Exslt.ExsltStrings="urn:Exslt.ExsltStrings" xmlns:Exslt.ExsltSets="urn:Exslt.ExsltSets"
      exclude-result-prefixes="msxml umbraco.library Exslt.ExsltCommon Exslt.ExsltDatesAndTimes Exslt.ExsltMath Exslt.ExsltRegularExpressions Exslt.ExsltStrings Exslt.ExsltSets ">


    <xsl:output method="xml" omit-xml-declaration="yes"/>

    <xsl:param name="currentPage"/>

    <xsl:template match="/">
    <xsl:variable name="metaTitleValue" select="umbraco.library:Item($currentPage/@id, 'metaTitle')" />

    <!-- start writing XSLT -->
    <xsl:choose>
      <xsl:when test="$metaTitleValue != ''">
        <xsl:value-of select="$currentPage/metaTitle"/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$currentPage/@nodeName"/>
      </xsl:otherwise>
    </xsl:choose>
     
    </xsl:template>

    </xsl:stylesheet>
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  • Chriztian Steinmeier 2800 posts 8790 karma points MVP 8x admin c-trib
    Sep 13, 2011 @ 21:59
    Chriztian Steinmeier
    1

    Hi Amir,

    If you want to be absolutely positively sure that there's nothing useful in the field, use the normalize-space() function:

    <xsl:when test="normalize-space($metaTitleValue)">

    - and if you want to do it all on one line (take metaTitle but fall back to @nodeName if empty):

    <xsl:value-of select="($currentPage/@nodeName[not(normalize-space(../metaTitle))] | $currentPage/metaTitle)[1]">

    /Chriztian

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  • Amir Khan 1287 posts 2744 karma points
    Sep 19, 2011 @ 16:13
    Amir Khan
    0

    Thanks Chriztain!

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