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BeanPage Tag:

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Expose a specified item from the page context as a bean.

BeanPage Tag:

     

Expose a specified item from the page context as a bean.

This tag retrieve the value of the specified item from the page context for this page, and define it as a scripting variable. 

Note: If a problem occurs while retrieving the specified configuration object, a request time exception will be thrown.

Name Description
id

Specifies the name of the scripting variable (and associated page scope attribute) that will be made available with the value of the specified page context property.

property

Name of the property from our page context to be retrieved and exposed. Must be one of application, config, request, response, or session.

Example Illustrating the use of the Page<bean:page> tag.
Here you will learn to use the Struts Html  <bean:page>tags. 
We will cover an example that will show a working of<bean:page>tags

Example code :
Creating an Action Class   : Not Required here.
Creating Form Bean    : Not Required here.
Developing the Action Mapping in the struts-config.xml  : Not Required here.

Developing the beanPageTag.jsp page

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean" %>
<%taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html" %>
<%taglib uri="http://jakarta.apache.org/struts/tags-logic" prefix="logic"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>
  <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body bgcolor="#999933">  
  <h3> <font color="#33FF33">bean:page Tag Demo</font></h3>
  <bean:page id="var1" property="session"/>
  <bean:page id="var2" property="application"/>
  <table border="2">
  <tr>
  <td>
 <font color="#33FF33">session</font>
  </td>
  <td>
  <bean:write name="var1"/> 
  </td>
  
</tr>
  
  <tr>
  <td>
  <font color="#33FF33">application</font>
  </td>
  <td>
  <bean:write name="var2"/>
  </td>
  </tr>
  
  </table>
  </body>
</html>
 

Add the following line in the index.jsp to call the form.

<a href="beanPageTag.jsp">BeanPageTagDemo</a><br/>

Building and Testing the Example 
Build , deploy and Test  the application . 
Open the browser and navigate to the beanPageTag.jsp page
Your browser displays the following page beanPageTag.jsp and see the O/P .

Output:



Above actions   displays the working of beanPageTag..

     

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Posted on: January 10, 2008

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