xsl:when

Conditional section

Use

Use the <xsl:when> object within <xsl:choose> to output content based on conditional tests on XML data.

Any content added within the <xsl:when> object will be output ONLY when the test expression evaluates to true()

Test expression

The xpath expression to be avaluated

A valid xpath expression or functions addressing xml data and variables.

 

XSLT code

Using the <xsl:choose> element in textbox content.

Within textbox conent, xsl:choose can be used to perform logical tests in combination with xslt, svg, html or xsl:fo markup.

xslt

The above example iterates <item> elements and outputs their @number attribute, delimited by ( , ) The xsl:if test in this case ensures that a delimiter is not added after the last item.