XML & XSL - xsl:choose

Multiple conditional testing in conjunction with the xsl:otherwise and xsl:when.

Syntax

<xsl:choose>

Attributes

Parent Elements

• xsl:attribute
• xsl:comment
• xsl:copy
• xsl:element
• xsl:for-each
• xsl:if
• xsl:otherwise
• xsl:pi
• xsl:template
• xsl:when
• output elements

Child Elements

• xsl:otherwise
• xsl:when

Purpose

xsl:when children of the xsl:choose element are parsed in order from top to bottom until a match is found or an xsl:otherwise element is reached. Once a xsl:when or xsl:otherwise element is chosen, the xsl:choose block is exited. No break or exit is required.

Use the xsl:if for simple conditional testing.

Global Population Extraction Example

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