RE: Evaluating parameter in <xsl:when> vs evaluating p

I don't think you want to use xalan:evaluate at all here.  You are
creating the the variable to hold the value of <sortby>, then you want
to see if <sortby> value-of is 'name' otherwise use it as the basis for
a sort...

so you could should look like:

<xsl:variable name="sortParameter">
      <xsl:value-of select="sortby"/>
</xsl:variable>

<xsl:choose>
  <xsl:when test="$sortParameter = 'name'" >
    <xsl:for-each select="query">
      <xsl:sort select="$sortParameter" order="ascending"/>
           ......
  </xsl:when>
  <xsl:otherwise>
    <xsl:for-each select="query">
      <xsl:sort select="$sortParameter" order="descending"/>

If you really do need to evaluate the var as an xpath, post some more
code for more accuarate help

cheers
andrew


-----Original Message-----
From: Roelf Jansen [mailto:roelf@xxxxxxxxxxxx]
Sent: 24 July 2002 13:03
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject:  Evaluating parameter in <xsl:when> vs evaluating
parameter in <xsl:sort>.


Hi there

In the following snippet the " xalan:evaluate($sortParameter) " gets the
correct value when placed in the  <xsl:sort> tag but not does not
seem to do so when placed in the <xsl:when> tag.
Is there any reason why the evaluation in the <xsl:when> tag is not
working in my code?

....
<xsl:variable name="sortParameter">
      <xsl:value-of select="sortby"/>
</xsl:variable>

 <xsl:choose>
        <xsl:when test="xalan:evaluate($sortParameter) = 'name'" >
              <xsl:for-each select="query">
              <xsl:sort select="xalan:evaluate($sortParameter)"
order="ascending"/>
              ......
        </xsl:when>
<xsl:otherwise>
          <xsl:for-each select="query">
          <xsl:sort select="xalan:evaluate($sortParameter)"
order="descending"/>
....


Thanks in advance
Roelf



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