Try count(key('Categories','Microsoft'))
The second argument of key() is an expression that evaluates to the key
value you are searching for. The expression you have supplied is Topic,
which means child::Topic, and as the context node is "/" and "/" doesn't
have a child Topic, you have supplied an empty node-set as the key value, so
nothing matches.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: David Preuss [mailto:d(_dot_)preuss(_at_)de(_dot_)kddi(_dot_)com]
Sent: 03 August 2005 16:02
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] xsl:key function help
Dear all,
as a newbie I tried to play with the key function but didnt
get it. Could
someone help me out?
I got following stylesheet just to test wether its working or not:
<?xml version='1.0' encoding='UTF-8'?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:key name="Categories" match="Tip" use="@Topic" />
<xsl:output method="xml"/>
<xsl:template match="/">
<xsl:value-of select="count(key('Categories',Topic))"/>
</xsl:template>
</xsl:stylesheet>
The Xml is:
<TipDatabase>
<Tip Topic="Microsoft" Subtopic="Exchange">
<Title>
Make public folders available offline
</Title>
<Content>
Public folders can be made available offline by
right clicking the folder and adding it to the Favorites folder.
<Image Name="AddPublicFoldersToFavorites.jpg"/>
Then adding them to the list of
synchronized folders
by using keyboard combination Ctrl+Alt+S and selecting Edit.
<Image
Name="PublicFoldersOfflineAvailable.jpg"/>
</Content>
</Tip>
...
<TipDatabase>
Basically I want to use Muenchian Grouping to render my
navigation later but
first I have to get the concepts clear in my head.
I use the stylesheet inside .net transform method. When I
output the above
stylesheet The result is:
0
What is wrong here or what am I missing.
David
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