Date Picker

 use Script file
---------------
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css"
        rel="stylesheet" type="text/css" />
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js" type="text/javascript"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"
        type="text/javascript"></script>
*********
   $(document).ready(function () {
           $("#txtSample").datepicker({
                changeMonth: true,
                changeYear: true
            });
    });