xsl:when Element

Provides multiple conditional testing in conjunction with the <xsl:choose> and <xsl:otherwise> elements.

<xsl:when
  test = boolean expression>
</xsl:when>

test
[required] The condition in the source data to test. If the expression in this attribute evaluates to True when cast to a Boolean, the contents of <xsl:when> are placed in the output. Node-sets are cast to a Boolean True if they contain at least one node.

Number of occurrences	Unlimited
Parent elements	xsl:choose
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

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.

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