Sorry Something is Wrong!!!!!!
<script type="text/javascript">
            jQuery(document).ready(function() {
                jQuery('#example').DataTable({
					dom: 'Bfrtip',
					buttons: [
						'copyHtml5',
						'excelHtml5',
						'csvHtml5',
						'pdfHtml5'
					]
				} );
			});
</script>