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Provides multiple conditional testing in conjunction with the <xsl:choose> and <xsl:otherwise> elements.
<xsl:when
test = boolean-expression
</xsl:when>
Attributes
- test
Required. The condition in the source data to test. If the Expressions in this attribute evaluates to True when cast to a Boolean, the content of<xsl:when>is instantiated and placed in the output. Node-sets are cast to a Boolean True if they contain at least one node.
Element Information
Number of occurrences |
Unlimited |
Parent elements |
|
Child elements |
xsl:apply-templates, xsl:attribute, xsl:call-template, xsl:choose, xsl:comment, xsl:copy, xsl:copy-of, xsl:element, xsl:for-each, xsl:if, xsl:processing-instruction, xsl:value-of, xsl:variable, output elements |
Remarks
Describes one of the alternatives to be chosen by the <xsl:choose> element. The default alternative is described by the <xsl:otherwise> element.
For simple conditional testing, use the <xsl:if> element.
Example
See the example in <xsl:choose> Element.