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How to 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 −
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
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