Re: [xsl] problems with params and element selection

Subject: Re: [xsl] problems with params and element selection
From: "Joerg Heinicke" <joerg.heinicke@xxxxxx>
Date: Sat, 6 Apr 2002 03:21:35 +0200
> Hi all
> i allways get the following error, when i try to use a param (which i get
> trough an asp file with ...Processor.addParameter "page", page...) to
> a specified template (like: <xsl:apply-templates
> select="document/page[@name=$pp]"/> ). it's not a problem to use
> <xsl:value-of select="$page" />! it shows the right value of the param.
> "page" (so the asp is doing right). but i think it should also work with
> select statement, shouldn't ?! thx for any help! :
> Description: Object required Source: Microsoft VBScript runtime error424

Of course, it should work within apply-templates and value-of. If you have
"document/page[@name=$page]" and not as above $pp, every thing is ok with

> Detailed xsl code:
> **************************************************
> <xsl:stylesheet xmlns:xsl="";
> version="1.0">
> <xsl:param name="page" />
> <xsl:template match="/">
> <html>
> <head>
> </head>
> <body>
> <table>
> <tr>
> <xsl:for-each
> select="document/page">
> <td><a><xsl:attribute
> name="href">showme.asp?page=<xsl:value-of select="@name"
> /></xsl:attribute><xsl:value-of select="@name" /></a></td>

Off topic:
You can short this with Attribute Value Template. AVT are written with {}:

<a href="showme.asp?page={@name}"><xsl:value-of select="@name"/></a>

> </xsl:for-each>
> </tr>
> </table>
> <xsl:apply-templates
> select="document/page[@name=$page]"/>
> </body>
> </html>
> </xsl:template>

The problem is here:

> <xsl:template match="document/page[@name=$page]">
> <h1><xsl:value-of select="title/@name" /></h1>
> </xsl:template>
> </xsl:stylesheet>

You can not use a variable in the match-attribute of a template. If you
easily remove the [], it shell work. You apply templates only on these
page-elements, which fulfill the condition. So you don't need the condition
again here. If you have a second template matching on page-elements, you can
work with modes.



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