Re: [xsl] 2 level Grouping through attributes

[ronald heller <ronald@xxxxxxxxxxx>]

Try the following:
<?xml version='1.0'?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" indent="yes"/>
   <xsl:key name="level1" match="XML_OUTPUT/@UserID" use="." />

   <xsl:key name="level2" match="XML_OUTPUT/@CategoryID" use="." />

   <xsl:template match="/">
      <ROOT>
         <xsl:for-each select="//XML_OUTPUT[generate-id(@UserID) = 
generate-id(key('level1', @UserID)[1])]">
            <xsl:variable name="user">
               <xsl:value-of select="@UserID" />
            </xsl:variable>

            <xsl:comment>
               <xsl:value-of select="generate-id(@UserID)" />
            </xsl:comment>

            <USER ID="{$user}">
               <xsl:for-each select="//XML_OUTPUT[generate-id(@CategoryID) 
= generate-id(key('level2', @CategoryID)[1]) and @UserID=$user]">
                  <xsl:variable name="category">
                     <xsl:value-of select="@CategoryID" />
                  </xsl:variable>

                  <CATEGORY ID="{$category}" TITLE="{@CategoryTitle}">
                     <xsl:for-each 
select="//XML_OUTPUT[@CategoryID=$category and @UserID=$user]">
                        <CONTENT_ITEM ID="{@ContentItemID}" 
TITLE="{@ItemTitle}">
                        </CONTENT_ITEM>
                     </xsl:for-each>
                  </CATEGORY>
               </xsl:for-each>
            </USER>
         </xsl:for-each>
      </ROOT>
   </xsl:template>
</xsl:stylesheet>


Cheers RH


At 09:35 AM 2/11/02 +0200, you wrote:
> Hi,
>
> I am trying to achieve multi level grouping (actually two levels) of the
> next XML.


XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list