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Jerry Janofsky

Subject: How do find get parent group when nesting xsl:for-each-group
Author: Jerry Janofsky
Date: 15 Sep 2007 07:40 PM

I am using nested <xsl:for-each-group> statements. Within my second group, I want to know what the grouping key was for the first group. Current-grouping-key gives me the current one, but how can I get the parent group-key? I'm stumped?

Here is some pseudo xml for a person that has 2 city elements. If I use nested groups to first group by city, then by last name, how do I get the value of the current city.

<person>
<lastname>Smith</lastname>
<city>Boston</city>
<city>New York</city>
</person>

XSL frag looks like:

<xsl:for-each-group select="person" group-by="city">
<xsl:for-each-group select="current-group()" group-by="lastname">

How do I get the value of the first grouping-key (city) while I am here? My person can have more than one city so I can't just get it from person/city because I don't know which city to get the value of?

I have a feeling this is an easy answer, but I don't see it?

Jerry J

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