2011年9月15日 星期四

JSP – Fetching Value of Radio Button

JSP – Fetching Value of Radio Button

Radio button in JSP with same name return a single value to request object. Request.getParameter with radio field name will return a value of checked radio button.
Suppose we have three radio button and name of radioButton, if we select b value radio button, and submit this JSP page to getValue.jsp page. We will get value of request object is b. index.jsp

<html>
<head>
<title>Radio Button</title>

</head>

<body>
<form name="frm" action="getValue.jsp" method="post" >
<input name="radioButton" type="radio" value="a" checked="checked"/> a
<input name="radioButton" type="radio" value="b" /> b
<input name="radioButton" type="radio" value="c" /> c
<input name="goto" type="submit" value="Submit" />
</form>
</body>
</html>
Fetching request value in this page of radio button
getValue.jsp
<%@ page contentType="text/html; charset=iso-8859-1" language="java" %>
<%
 String radioButton= request.getParameter("radioButton");
 System.out.println("radioButton ::"+radioButton);
 out.println("Radio Button Value :"+radioButton);
%>

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