xslchoose always returning null

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Amir Khan 1199 posts 2567 karma points

Sep 13, 2011 @ 21:20
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 1199 posts 2567 karma points

Sep 13, 2011 @ 21:38

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 2726 posts 8320 karma points MVP 4x admin c-trib

Sep 13, 2011 @ 21:59
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 1199 posts 2567 karma points

Sep 19, 2011 @ 16:13

0

Thanks Chriztain!

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XSL:Choose always returning null