Subject: RE: [xsl] How to assign a nodelist to a variable From: "Martinez, Brian" <brian.martinez@xxxxxxxxxxx> Date: Wed, 7 Jan 2004 13:46:18 -0700 |
> From: Jaime A Stuardo Bahamondes [mailto:jstuardo@xxxxxxxxxxx] > Sent: Wednesday, January 07, 2004 2:30 PM > Subject: [xsl] How to assign a nodelist to a variable > > > <xsl:variable name="valores"><xsl:value-of select="ROW[field1 > = 'A' and field2 = 'B']" /></xsl:variable> > > 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? VFAQ. An XSLT variable which contains a template body (such as the value-of element in your example) always returns a result tree fragment, which in XSLT 1.0 cannot be directly evaluated as a node-set. Write your variable as: <xsl:variable name="valores" select="ROW[field1 = 'A' and field2 = 'B']"/> Not only does this return a node-set, it's more efficient. If you're using an XPath expression to set the value of a variable, you should always use the select attribute so you can take advantage of the built-in data types. hth, b. | brian martinez brian.martinez@xxxxxxxxxxx | | lead gui programmer 303.357.3548 | | cheap tickets, part of trip network fax 303.357.3380 | | 6560 greenwood plaza blvd., suite 400 englewood, co 80111 | | cendant travel distribution services http://www.cheaptickets.com/ | XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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