Inside XSLT

The <xsl:choose>, <xsl:when>, and <xsl:otherwise> Elements

The <xsl:choose> element is something like the Java switchstatement, which enables you to compare a test value against several possible matches.

The <xsl:choose> element has no attributes. It contains one or more <xsl:when> elements, and, optionally, one <xsl:otherwise> element, which must come last if you use it.

Here’s how it works; you enclose <xsl:when> elements, each of which has a true/false test, in an <xsl:choose> element. The template body in the first <xsl:when> element whose test evaluates as true is used, and all the others are not. The last element inside the <xsl:choose> element may be an <xsl:otherwise> element, and the template body inside this element is used if none ...