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JSF attributeTag

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This tag is used to add attribute to the nearest parent component.

JSF attributeTag

        

This tag is used to add attribute to the nearest parent component. This is name/value pair where name takes the attribute name which will be set to the component and value takes the value of the attribute. In this example, command button tag is assigned only one attribute "id", then attribute tag is used to assign more attributes and its values. For example, instead of specifying "value" attribute and its value "Click" ( i.e. value="Click") in commandButton tag parallel to "id" attribute, this has been associated to the component using attribute tag.

Code Description :

<%@ page contentType="text/html" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>

<f:view>
<html>
<body>
<h:form id="form1">
<h:inputText value="Enter Name" />
<h:commandButton id="button1">
<f:attribute name="value" value="Click"></f:attribute>
</h:commandButton>

</h:form>
</body>
</html>
</f:view>

Rendered Output :

Html Source Code :

<html>
<body>
<form id="form1" method="post" action="/f-tags/pages/attribute/attribute.jsf" enctype="application/x-www-form-urlencoded">

<input type="text" name="form1:_id0" value="Enter Name" />
<input id="form1:button1" type="submit" name="form1:button1" value="" />
<input type="hidden" name="form1" value="form1" /></form>
</body>
</html>

This tag contains two attributes :

name : This is the required attribute which is used to specify the name of the attribute of the nearest parent component.
value :
This is the required attribute which is used to specify the value of the attribute specified in name attribute of this tag.

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Posted on: June 13, 2007

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