Pass Check Boxes Data Using JSP

Checkboxes are used when more than one option is required to be selected.

Following is an example HTML code, CheckBox.htm, for a form with two checkboxes.

<html>
   <body>
      <form action = "main.jsp" method = "POST" target = "_blank">
         <input type = "checkbox" name = "maths" checked = "checked" /> Maths
         <input type = "checkbox" name = "physics" /> Physics
         <input type = "checkbox" name = "chemistry" checked = "checked" /> Chemistry
         <input type = "submit" value = "Select Subject" />
      </form>
   </body>
</html>

The above code will generate the following result −

 Maths  Physics  Chemistry

Following is main.jsp JSP program to handle the input given by the web browser for the checkbox button.

<html>
   <head>
      <title>Reading Checkbox Data</title>
   </head>
   <body>
      <h1>Reading Checkbox Data</h1>
      <ul>
         <li><p><b>Maths Flag:</b>
            <%= request.getParameter("maths")%>
            </p></li>
         <li><p><b>Physics Flag:</b>
            <%= request.getParameter("physics")%>
            </p></li>
         <li><p><b>Chemistry Flag:</b>
            <%= request.getParameter("chemistry")%>
            </p></li>
      </ul>
   </body>
</html>

The above program will generate the following result −

Reading Checkbox Data

  • Maths Flag :: on

  • Physics Flag:: null

  • Chemistry Flag:: on

Updated on: 2019-07-30T22:30:25+05:30

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