update record without page refresh in javascript
<p>I have a span in which dropdown is taken here dropdown records are with checkbox option .</p>

<p>If I select "All" checkbox &amp; click on save button then all checkboxes are selected using ajax therfore page is not refreshed but when I does not check any checkbox &amp; click on "Save" button I give a confirm box but when user press "Cancel" button on confirm box the the page is refreshed and data will not change, I want same but without this page is refreshed on cancel button</p>
