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4/8/2010

Returns True if the argument is false, and a false otherwise.

Syntax


boolean not( boolean)

Parameters

boolean: A Boolean value.

Return Value

Returns True if the argument is false, and a false otherwise.

Example

In this example, the notexample.xsl stylesheet is applied to the books.xml document. For each book node, the value of the price element is evaluated and if it is not greater than 10, the value of the title element and the value of the price element are output to the browser.

Books.xml

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<?xml-stylesheet type="text/xsl" href="notexample.xsl"?> <catalog> <book id="bk101"> <author>Gambardella, Matthew</author> <title>XML Developer's Guide</title> <genre>Computer</genre> <price>44.95</price> <publish_date>2000-10-01</publish_date> <description>An in-depth look at creating applications with XML.</description> </book> <book id="bk102"> <author>Ralls, Kim</author> <title>Midnight Rain</title> <genre>Fantasy</genre> <price>5.95</price> <publish_date>2000-12-16</publish_date> <description>A former architect battles corporate zombies, an evil sorceress, and her own childhood to become queen of the world.</description> </book> </catalog>

Copy Code

<?xml-stylesheet type="text/xsl" href="notexample.xsl"?>
<catalog>
  <book id="bk101">
	<author>Gambardella, Matthew</author>
	<title>XML Developer's Guide</title>
	<genre>Computer</genre>
	<price>44.95</price>
	<publish_date>2000-10-01</publish_date>
	<description>An in-depth look at creating applications
with
	XML.</description>
  </book>
  <book id="bk102">
	<author>Ralls, Kim</author>
	<title>Midnight Rain</title>
	<genre>Fantasy</genre>
	<price>5.95</price>
	<publish_date>2000-12-16</publish_date>
	<description>A former architect battles corporate
zombies, 
	an evil sorceress, and her own childhood to become queen of 
	the world.</description>
  </book>
</catalog>

notexample.xsl

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<?xml version='1.0'?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> <xsl:template match="/"> <xsl:for-each select="//book[not(price > 10)]"> <xsl:value-of select="title"/> - $<xsl:value-of select="price"/><br/> </xsl:for-each> </xsl:template> </xsl:stylesheet>

Copy Code

<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="/">
  <xsl:for-each select="//book[not(price &gt; 10)]">
	<xsl:value-of select="title"/> -
	$<xsl:value-of select="price"/><br/>
  </xsl:for-each>
</xsl:template>
</xsl:stylesheet>

Result

	Copy Code
Midnight Rain - $5.95

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