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Use of <x:choose> tag of JSTL


In this section we will learn how to use <x:choose> tag of Xml tag library of Jstl. This tag is used to perform conditional operations marked by <when> and <otherwise> tags. 

<x:when> is used to match given condition in 'select' attribute. If found true execute the statement given in this tag.
<x:otherwise> If found condition false given <x:when> tag, execute tag <x:otherwise>.






Standard Syntax : <%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>

Attributes of <x:when> Tag 
select   Defines xPath expression.


<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
        <title>Example x:if tag of JSTL</title>
        <c:import var="import" url="employee.xml" />
        <x:parse var="doc" doc="${import}" />
        <table border="1">
            <th>Employee Name</th>
            <th>Promotion </th>
            <x:forEach var="emp" select="$doc/org/company/emp" >
                    <td><x:out select="$emp/name" /> </td>
                            <x:when select="$emp/age>23">
                                One month<br>            
                                Not eligible<br>         

Output :

Download Source Code


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