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RE: Selecting from a node-set using variable path

2003-02-18 13:45:36
Xpath expressions in XSLT have to be known at compile-time, they can't
be constructed from strings.

Look for a processor that offers an xx:evaluate() extension function; or
find a different approach to your problem.

Michael Kay
Software AG
home: Michael(_dot_)H(_dot_)Kay(_at_)ntlworld(_dot_)com
work: Michael(_dot_)Kay(_at_)softwareag(_dot_)com 

-----Original Message-----
From: owner-xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com 
[mailto:owner-xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com] On Behalf Of 
gary fong
Sent: 18 February 2003 19:35
To: XSL-List(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Selecting from a node-set using variable path


For the life of me, I don't know how to do this even
though it seems like it would be very easy.

I have a variable, myNodeSet, which points to a node set,
in this case a set of 1 document element node.
I have another variable, myPath, which reflects a
(relative) location path to nodes I want to select from myNodeSet.

This works:
  <xsl:variable name="t1" select="$myNodeSet//a/b/c"/>

This doesn't:
  <xsl:variable name="t2" select="$myNodeSet/$myPath"/>

I'm using MSXML 4.0 and it's complaining with:
  NodeTest expected here.
  $myNodeSet/-->$<--myPath
which makes sense.

How do I filter down my node-set based upon some variable 
location path?

Thanks
--
Gary F.
Sr. Software Engineer
Fast Track Systems, Inc




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