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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: using a variable in sort block
At 2003-07-15 13:51 -0400, Greg Johnson wrote:
What are the restrictions on using xsl:variables? String variables cannot be used as raw XPath expression syntax and must explicitly be referenced in any XPath expression as only a simple string. Am I not allowed to use it in an xsl:sort element? As long as you don't try to use the string value as an XPath expression. I get the following error for the folowing xsl fragment: Perhaps use <xsl:variable name="sortby" select="'ARRIVED'"/> <xsl:variable name="sortorder">descending</xsl:variable> Perhaps use <xsl:variable name="sortorder" select="'descending'"/> <xsl:template match="REPORT"> I'm assuming by "ARRIVED" you mean the value of the child element named "ARRIVED" ... if so, then use: <xsl:sort select="*[name(.)=$sortby]" order="{$sortorder}"/> Note in the above that I am using the variable, but not *as* an XPath expression, but rather *in* an XPath expression as a simple string. I'm selecting all children and then only referencing that child whose name is the name in the string variable. Note that what you are trying to do is *not* namespace safe, but I'm assuming you are not using namespaces. I hope this helps. ....................... Ken -- Upcoming hands-on courses: in-house corporate training available; North America public: XSL-FO Aug 4,2003; XSLT/XPath Aug 12, 2003 G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) ISBN 0-13-065196-6 Definitive XSLT and XPath ISBN 0-13-140374-5 Definitive XSL-FO ISBN 1-894049-08-X Practical Transformation Using XSLT and XPath ISBN 1-894049-11-X Practical Formatting Using XSL-FO Member of the XML Guild of Practitioners: http://XMLGuild.info Male Breast Cancer Awareness http://www.CraneSoftwrights.com/s/bc XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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