Sams Teach Yourself XML in 24 Hours

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

The previous example showed you how to use multiple <xsl:if> elements in situations where there are alternatives. Although this works, it's ungainly when there are several possible values. In that case, it's better to use a combination of the <xsl:choose>, <xsl:when>, and <xsl:otherwise> elements. The following two sections illustrate how these elements are used.

An xsl:choose and xsl:when Example

Reopen listing14-4.xml and change

<Book>
<Title>Teach Yourself Uses of Silicon in 24 Hours</Title>
<Author>
<Name>Missy Fixit</Name>

to

<Book BestSeller="impossible">
<Title>Teach Yourself Uses of Silicon in 24 Hours</Title>
<Author>
<Name>Missy Fixit</Name>

Add the two additional records that ...