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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Multi level grouping question
 I want to group 3-4 levels down. I get the 1-2 levels working from reading Jeni's postings but I can't get the 3rd level and so on to work. ... I am trying to group by vendor name then vendor code and finally load number. The first 2 levels work out but the third doesn't. Any help please. I find that multi-level grouping is most easily achieved by using the variable method of grouping rather than the key method of grouping. The design pattern is to set up a variable with everything that has to be grouped, then successfully whittle down the set in grouped collections always doing the grouping on the set of nodes just extracted from the bigger group. You didn't supply much data so I mocked some up changing the purchase order numbers to be from "1" to "5" so that you can distinguish the records in the result. I hope this helps. ....................... Ken
T:\ftemp>type kent.xsl
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0"><xsl:output method="text"/> <xsl:template match="/">
<xsl:variable name="claims" select="/claims/claim"/>
<xsl:for-each select="$claims">
<xsl:if test="generate-id(.)=
generate-id($claims[vendorname=current()/vendorname])">
<xsl:value-of select="vendorname"/><xsl:text>
</xsl:text>
<xsl:variable name="vendors"
select="$claims[vendorname=current()/vendorname]"/>
<xsl:for-each select="$vendors">
<xsl:if test="generate-id(.)=
generate-id($vendors[vendorcode=current()/vendorcode])">
<xsl:text> </xsl:text>
<xsl:value-of select="vendorcode"/><xsl:text>
</xsl:text>
<xsl:variable name="codes"
select="$vendors[vendorcode=current()/vendorcode]"/>
<xsl:for-each select="$codes">
<xsl:if test="generate-id(.)=
generate-id($codes[loadnum=current()/loadnum])">
<xsl:text> </xsl:text>
<xsl:value-of select="loadnum"/><xsl:text>
</xsl:text>
<xsl:for-each select="$codes[loadnum=current()/loadnum]">
<xsl:text> </xsl:text>
<xsl:value-of select="po"/><xsl:text>
</xsl:text>
</xsl:for-each>
<xsl:text>
</xsl:text>
</xsl:if>
</xsl:for-each>
</xsl:if>
</xsl:for-each>
</xsl:if>
</xsl:for-each>
</xsl:template></xsl:stylesheet> T:\ftemp>saxon kent.xml kent.xsl TYCO PLASTICS 01H0012 163678 1 01H0011 163678 2 4 1234567 5 XYZ PLASTICS 01H0011 163678 3 T:\ftemp>rem Done! -- Public courses: Spring 2004 world tour of hands-on XSL instruction Each week: Monday-Wednesday: XSLT/XPath; Thursday-Friday: XSL-FO United States: Washington, DC March 15; San Francisco, CA March 22 Finland April 26; Hong Kong May 17; Germany May 24; London June 07 World-wide on-site corporate, government & user group XML training G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) Male Breast Cancer Awareness http://www.CraneSoftwrights.com/s/bc XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list 
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