RE: [xsl] for-each-group

Subject: RE: [xsl] for-each-group
From: Ryan Puddephatt <rpuddephatt@xxxxxxxxxxxx>
Date: Mon, 12 Dec 2005 17:33:10 +0000
You could use a function in the group-by, this would allow you to test the
value of the current record (.) for 'Internal' then return an <xsl:sequence
select="'internal'/> or <xsl:sequence select="'else'"/>

XSL will then group them and display them as you want, of course if you only
have two values in sortColumn1 (i.e. Internal or External) then just pass
group-by the sortColumn1 and it will group them!

Ryan Puddephatt
Web Developer
TFX Group
1 Michaelson Square
West Lothian
EH54 7DP
* rpuddephatt@xxxxxxxxxxxx
( 01506 407 110
7  01506 407 108

-----Original Message-----
From: thomas.maciejewski@xxxxxxxxx [mailto:thomas.maciejewski@xxxxxxxxx] 
Sent: 12 December 2005 17:27
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: [xsl] for-each-group

I am having a problem with for-each-group and it may be because I just dont
understand it.   (Hopefully I dont get flamed ;-) )

What I want to do is to create a set of groups based on a condition.  like
"foo='Internal'   is that allowed?

what i have been trying is :

            <xsl:for-each-group select="
xmlReportOutput/reportOutput/records/record" group-by="
                  <!--<xsl:for-each-group select="current-group()"
                  <xsl:sort select="saxon:evaluate($sortColumn1)" order="
                  <xsl:variable name="group1" select="
                  <xsl:call-template name="RenderByDesk">
                        <xsl:with-param name="tradeType" select="$group1"/>

But everything I try either produces no groups or fails and tells me my

Originally I was not doing the != Internal and it seemed to work grouping
by the saxon:evaluate($sortColumn1) field.    Ahh do I need to get the
value of that field?

Error in Xpath 2.0 expression Unknown function Name and number of arguments
do not match any function.

Can someone please give me a few pointers on for-each and for-each-group
?   I think I need to use the group one as later on I pass each group on to
a different template:

      <xsl:template name="RenderByDesk">
            <xsl:param name="tradeType"/>
            <xsl:for-each-group select="current-group()" group-by="
                  <xsl:sort select="saxon:evaluate($sortColumn2)" order="
                  <xsl:variable name="group2" select="
                  <xsl:call-template name="RenderByCounterPartyRole">
                        <xsl:with-param name="tradeType" select="$tradeType
                        <xsl:with-param name="desk" select="$group2"/>

Tom Maciejewski

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