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Use of tag of JSTL
In this section we will learn how to use tag of Xml tag library of Jstl. This tag is used to define variable and also initialize it.

Use of <x:set> tag of JSTL

In this section we will learn how to use <x:set> tag of Xml tag library of Jstl. This tag is used to define variable and also initialize it.

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

Attributes:
var	Defines variable for the current item.
select	Defines xPath expression.
scope	It defines scope for the defined variable in 'var' attribute.

set_xmlJstlTag.jsp

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

<html>
    <head>
        <title>Example x:set tag of JSTL</title>
    </head>
    <body>

        <c:import var="import" url="employee.xml" />
        <x:parse var="doc" doc="${import}" />
        <table border="1" width="45%">
            <tr>
            <th>Query</th>
            <th>result</th>
            <tr>
                <td>x:set var="var1" select="$doc/org" <br>
                x:out select="$var1" </td>
                <td> <x:set var="var1" select="$doc/org" />
                <x:out select="$var1" /></td>
            </tr>

            <tr>
                <td>x:set var="var2" select="$doc/org/company" <br>
                x:out select="$var2" </td>
                <td> <x:set var="var2" select="$doc/org/company" />
                <x:out select="$var2" /></td>
            </tr>

            <tr>
                <td>x:set var="var3" select="$doc/org/company/emp" <br>
                x:out select="$var3" </td>
                <td><x:set var="var3" select="$doc/org/company/emp" />
                <x:out select="$var3" /></td>
            </tr>
        </table>
    </body>
</html>

Output :

Download Source Code

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Related Tags: c xml library file files stl orm ant form io user sed jstl tag parameter transform this js for add

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