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RE: How to assign a nodelist to a variable

Subject: RE: How to assign a nodelist to a variable
From: "Lars Huttar" <lars_huttar@xxxxxxx>
Date: Wed, 7 Jan 2004 14:48:01 -0600
xsl variable nodelist
> Hi all....
> 
> I need to do something like:
> 
> <xsl:value-of select="ROW[field1 = 'A' and field2 = 'B']/f1" />
> <xsl:value-of select="ROW[field1 = 'A' and field2 = 'B']/f2" />
> <xsl:value-of select="ROW[field1 = 'A' and field2 = 'B']/f3" />
> 
> Since I need to call ROW[field1 = 'A' and field2 = 'B'] 
> repeteadly, I think that by placing it in a variable first 
> will be better, so I tried:
> 
> <xsl:variable name="valores"><xsl:value-of select="ROW[field1 
> = 'A' and field2 = 'B']" /></xsl:variable>

This should be changed to:

<xsl:variable name="valores" select="ROW[field1 = 'A' and field2 = 'B']" />

When a variable is given its value via the select attribute,
it can remain a nodeset.
When the value is given as the content (child[ren]) of xsl:variable,
it gets converted to a result tree fragment, which cannot be used
as a nodeset in XSL 1.0.

Lars


> and then called:
> 
> <xsl:value-of select="$valores/f1" />
> <xsl:value-of select="$valores/f2" />
> <xsl:value-of select="$valores/f3" />
> 
> but I receive the error:
> 
> "Reference to variable or parameter 'valores' must evaluate 
> to a node list."
> 
> What should I do?


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


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