xsl:when The <xsl:when> element always appears within an <xsl:choose> element, acting like a case statement. Syntax: <xsl:when test=EXPRESSION> TEMPLATE </xsl:when> Required Attributes: test: Specifies a boolean expression to be evaluated. If true, the contents of the element are processed; if false, they are ignored. Optional Attributes: None. Type: Subinstruction, always appears within an <xsl:choose> element. Defined: XSLT, section 9.2. NS support: Supported.
The <xsl:when> element always appears within an <xsl:choose> element, acting like a case statement.
<xsl:when test=EXPRESSION> TEMPLATE </xsl:when>