Subject: Re: [xsl] Acheiving ..2nd level grouping but with different node structure .. From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx> Date: Wed, 24 Jul 2002 14:19:15 +0100 |
Hi Kumar, > Here is my XSL with first level grouping extracting distinct regions > and i am having problems grouping users within Region . The secret of 2nd level grouping with the Muenchian method is to create keys that combine the two things that you want to group by. Your first level key is: <xsl:key name="distinct-region" match="*" use="@reg"/> (Though I think it would be better as: <xsl:key name="distinct-region" match="los" use="@reg"/> since that would limit it to only holding los elements.) So your second level key should be something along the lines of: <xsl:key name="distinct-region-and-user" match="los" use="concat(@reg, '+', @user)" /> Then, given that you've found a region ($reg), you can get all the unique users in that region with: key('distinct-region', $reg) [generate-id() = generate-id(key('distinct-region-and-user', concat($reg, '+', @user)))] Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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