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POxslt V1.0 - subtemplate with recursive loop returns empty value
 

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    <p>I'm trying to get the highest value of the sum of the childs of each cluster.</p> <ul> <li><p>cluster1 : 10 + 20 = 30</p></li> <li><p>cluster2 : 20 + 30 = 50 --> 50 is highest value</p></li> </ul> <p><strong>Problem</strong>: The return value of the subtemplate is "".<br> why? The variable tempMax is getting a <em>node</em> with my number in it instead of just a number.</p> <pre><code>$tempMax = {Dimension:[1]} + [1] = / + + node()[1] = 50 </code></pre> <p>How can I fix this? (xslt v1.0). </p> <hr> <p>xml:</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;column-chart-stacked-full&gt; &lt;clusters&gt; &lt;cluster number="1"&gt; &lt;bar&gt; &lt;value&gt;10&lt;/value&gt; &lt;/bar&gt; &lt;bar&gt; &lt;value&gt;20&lt;/value&gt; &lt;/bar&gt; &lt;/cluster&gt; &lt;cluster number="2"&gt; &lt;bar&gt; &lt;value&gt;20&lt;/value&gt; &lt;/bar&gt; &lt;bar&gt; &lt;value&gt;30&lt;/value&gt; &lt;/bar&gt; &lt;/cluster&gt; &lt;/clusters&gt; &lt;/column-chart-stacked-full&gt; </code></pre> <p>my xsl:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"&gt; &lt;xsl:variable name="highestClusterVal"&gt; &lt;xsl:call-template name="findMaxClusterVal"/&gt; &lt;/xsl:variable&gt; &lt;xsl:template name="findMaxClusterVal"&gt; &lt;xsl:param name="count" select="count(column-chart-stacked- full/clusters/cluster)"/&gt; &lt;xsl:param name="limit" select="$count"/&gt; &lt;xsl:param name="max" select="0"/&gt; &lt;xsl:choose&gt; &lt;xsl:when test="$count &amp;gt; 0"&gt; &lt;xsl:variable name ="barSum" select="sum(column-chart-stacked-full/clusters/cluster[$count]/bar/value)"/&gt; &lt;xsl:variable name="tempMax"&gt; &lt;xsl:choose&gt; &lt;xsl:when test="$max &amp;lt; $barSum"&gt; &lt;xsl:value-of select="$barSum"/&gt; &lt;/xsl:when&gt; &lt;xsl:otherwise&gt; &lt;xsl:value-of select="$max"/&gt; &lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:variable&gt; &lt;!-- recursive loop --&gt; &lt;xsl:call-template name="findMaxClusterVal"&gt; &lt;xsl:with-param name="count" select="$count - 1"/&gt; &lt;xsl:with-param name="limit" select="$limit"/&gt; &lt;xsl:with-param name="max" select="$tempMax"/&gt; &lt;/xsl:call-template&gt; &lt;/xsl:when&gt; &lt;xsl:otherwise&gt; &lt;!-- return max value --&gt; &lt;xsl:value-of select="$max"/&gt; &lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p>return of $max</p> <pre><code>$max = {Dimension:[1]} + [1] = / + + node()[1] = 50 </code></pre>
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