XSLT <xsl:when> Element |

XSLT <xsl:when> Element

Complete XSLT Element Reference

Definition and Usage

The <xsl:when> element is used to specify an action for the <xsl:choose> element. The <xsl:when> element evaluates an expression, and if it returns true, the specified action is performed.

Note: The <xsl:when> element is used in conjunction with the <xsl:choose> and <xsl:otherwise> elements to express multiple conditional tests.

Syntax

<xsl:when
test="boolean-expression">



</xsl:when>

Attributes

Attribute	Value	Description
test	boolean-expression	Required. Specifies the boolean expression to be tested.

Example 1

The following code will add a pink background color to the artist column when the price of the cd is higher than 10.



My CD Collection


Title
Artist

View XML file, view XSL file, view result.

Example 2

Declared a variable named "color". Assign its value to the color attribute of the current element. If the current element does not have a color attribute, then the value of "color" will be "green":

<xsl:variable name="color">
<xsl:choose>
<xsl:when test="@color">
<xsl:value-of select="@color"/>
</xsl:when>
<xsl:otherwise>green</xsl:otherwise>
</xsl:choose>
</xsl:variable>

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