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JSTL Core c:param Tag

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The <c:param> tag is used with <c:url> and <c:redirect> tag. This tag adds the parameter and their values to the output of both the tags.

Syntax of <c:param> Tag

&lt;c:param name= “&lt;string&gt;”  value= “&lt;string&gt;”/&gt;

Attributes of c:param Tag

  • name: Specifies the name of the parameter
  • value: Specifies the value of the parameter

Example of <c:param> Tag

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title> param Tag Example</title>
</head>
<body>
<c:url value="/JavaBeat.net" var="completeURL">
  <c:param name="Id" value="736"/>
  <c:param name="user" value="author1"/>
</c:url>
${completeURL}
</body>
</html>

Details of the Code

  • <c:url value=”/JavaBeat.net” var=”completeURL”> tag is used to give the url path.
  • <c:param name=”Id” value=”736″/>tag allows url request parameter with the attributes name and value, which is used to specify the parameter name and the parameter value respectively.

Steps for Execution

  • Save this file as example.jsp in your eclipse IDE.
  • Now select this jsp file, right mouse click and select Run as ->Run on server

Output

When the execution process is completed successfully we will get the following output :
jstl_c param tag_demo

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About Krishna Srinivasan

He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.