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Aug 5th, 2012 | syntax:
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clearing two dimensional session array using jsp
<script type="text/javascript">
function textsizer(e) {
var evtobj=window.event? event : e;
var element = evtobj.target ? evtobj.target : evtobj.srcElement;
if (element.tagName.toLowerCase() == "body") {
var unicode=evtobj.charCode? evtobj.charCode : evtobj.keyCode;
var actualkey=String.fromCharCode(unicode)
if(actualkey=="x"){
show_confirm()
function show_confirm(){
var con = confirm("Are You Sure you wan to cancel this bill?");
if (con ==true){
session.invalidate();
}
else{
alert("You pressed Cancel!");
}
}
}
}
}
document.onkeypress=textsizer
</script>
//Your main page
<script type='text/javascript'>
window.onkeypress = function() {
if (event.keyCode == 88) {
window.location = 'clear_session.php';
}
}
//clear_session.php
session_start();
session_unset();
session_destroy();
header ("Location:main_page.php"); //redirect back to main page