How to disable cut, copy, paste on a textbox using jquery

First declare a textbox & then applying the following jquery method like this:

  <input type="text" name="txtName" id="txtName" />

<script type="text/javascript">

    $(document).ready(function () {

        $('#txtName').bind('cut copy paste', function (e) {

            // prevent the default operation

            e.preventDefault();

            // warn the user

            alert("Paste disabled in this textbox");

        });

    });

</script>