JSP CheckBox
JSP CheckBox is used to create a CheckBox in JSP. The JSP Page allows the
user to select more than one option from multiple checkbox and also print the
userdefined message that specify the languages option choosen by the user on
submitting the button.
Understand with Example
The Tutorial illustrate an elaborate example from 'JSP CheckBox'. To
understand and grasp the example we create a CheckBox.jsp that include the html
tag<input type="checkbox"> to create the checkboxes. The HTML
page allows the user to select multiple languages using checkbox. After
submitting the button, the action is performed which display the selected
languages. The method request.getParameter Values("id") is used
to return the value of selected checkbox. The for loop is used to execute the
code repeatedly till the length of variable i is less than equal to select
position of checkbox. Finally the out.println is used to print the selected
checkbox in the browser.
Here is the code of jspCheckBox.jsp
<html>
<h2>Select Languages:</h2>
<form ACTION="jspCheckBox.jsp">
<input type="checkbox" name="id" value="Java"> Java<BR>
<input type="checkbox" name="id" value=".NET"> .NET<BR>
<input type="checkbox" name="id" value="PHP"> PHP<BR>
<input type="checkbox" name="id" value="C/C++"> C/C++<BR>
<input type="checkbox" name="id" value="PERL"> PERL <BR>
<input type="submit" value="Submit">
</form>
<%
String select[] = request.getParameterValues("id");
if (select != null && select.length != 0) {
out.println("You have selected: ");
for (int i = 0; i < select.length; i++) {
out.println(select[i]);
}
}
%>
</html> |
Output will be displayed as:
After selecting the languages, when you submit the button, the message
will be displayed with selected languages:
Download Source Code:
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