Subject: RE: [xsl] Key/Use From: "Michael Kay" <mhkay@xxxxxxxxxxxx> Date: Wed, 5 Sep 2001 17:26:42 +0100 |
> Excuse my ignorance but, why is this > > <xsl:key name="lookup" match="row" > use="concat($TRANSFORMER_SourceCountry,'_layer_name')"/> > > any more useless than?: > > <xsl:key name="lookup" match="row" use="US_layer_name"/> > Ignoring my mistake, that variable references are not allowed in the use expression: Writing <xsl:key name="lookup" match="row" use="concat('US','_layer_name')"/> doesn't mean <xsl:key name="lookup" match="row" use="US_layer_name"/> it means <xsl:key name="lookup" match="row" use="'US_layer_name'"/> I hope that makes the distinction clear. As we've said many times on this list, you can't construct XPath expressions from strings. In simple cases you can use the circumvention: <xsl:key name="lookup" match="row" use="*[name()=concat('US','_layer_name')]"/> ... but you're still stymied because you can't use variables. Mike Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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