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Re: displaying sql results in dropdown menus

Subject: Re: displaying sql results in dropdown menus
From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx>
Date: Thu, 19 Aug 2004 09:55:46 +0100
substring after sql
Hi Matt,

> // I catch the attributes' ids in xsl variables
>      <xsl:variable name="idattr1" select="../../idattr[1]"/>
>      <xsl:variable name="idattr2" select="../../idattr[2]"/>

The variable $idattr1 contains the <idattr> element with the value
'sql:id_collection'. Similarly, the variable $idattr2 contains the
<idattr> element with the value 'sql:libelle_collection'.

> // And I try to get their values in a dropdown list
>              <xsl:for-each select="sql:row">
>                  <option  value= "$idattr1">
>                 <xsl:value-of select="$idattr2"/>
>                </option>
>               </xsl:for-each>

The value attribute is set to the literal string "$idattr1" (not the
value of the $idattr1 variable -- you need to use attribute value
templates for that). The value of $idattr2 is

What you're after are the values of the <id_collection> and
<libelle_collection> elements within the current <sql:row> element.
The name of the first element (for the value attribute) is held in the
$idattr1 variable, after the colon:

  substring-after($idattr1, ':')

You need to locate the child of the current <sql:row> element whose
local name is the same as this substring:

  *[local-name(.) = substring-after($idattr1, ':')]

(Namespace awareness is more fiddly; do you really need it or can you
guarantee that all the children of the <sql:row> elements are in the
SQL namespace?)

So you need:

  <xsl:for-each select="sql:row">
    <select value="{*[local-name(.) =
      <xsl:value-of select="*[local-name(.) =
                              substring-after($idattr2, ':')]" />



Jeni Tennison

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