JSF inputHidden Tag
This section describes the inputHidden JSF tag. This
tag is used to create the field that is invisible to the user. This is the field
that is used to pass the variables from one page to another. It renders the html
input element with the type attribute set to "hidden".
Code Description :
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<h:inputHidden id="ih" value="hv"></h:inputHidden>
Rendered Output :
There is no rendered output for this tag . This gives
invisible element as an output.
Html Scorce Code :
< form id= "_id0" method= "post" action= "/inputHidden/inputHidden.jsf"
enctype= "application/x-www-form-urlencoded">< br>
< input id= "_id0:ih" type= "hidden" name= "_id0:ih" value= "hv" />
< input type= "hidden" name= "_id0" value= "_id0" />
There is a list of all attributes that can
be used in this inputHidden tag:
id : This is set to uniquely identify the
component. So this must be the unique value within the closest container.
value : This is the current value of the
binding : This is used to set the binding
expression that is used to link the component to the backing bean's
rendered : This is the boolean attribute that
is set to describe that this component should be rendered or not at the time
of render response phase.
required : This is the boolean attribute.
User is required to provide the value for the field or not at the time
of submission of the form is indicated by this attribute.
validator : It takes a method binding
expression that represents validator method. This method is called to
validate the value of the component.
immediate : This
is the boolean attribute. This is used to ensure that the events should be
sent to the associated listener immediately. It should not be sent after
converter : It is used to register the
converter instance to the component.
valueChangeListener : It takes the method
binding expression that notifies the value change listener method. It
notifies this method when value is changed and new value is set for this