<input type="text" id="tbData" style="padding-bottom: 3px; width: 93px" class="EditBox">

     <script language="javascript" type="text/javascript" >
        $(function () {
            $("#tbData").datepicker($.datepicker.regional["ru"]);
            $("#tbData").datepicker("setDate", "0");

              
        });
        $(function () {
            $('#tbData').datepicker('option', {
                onSelect: function (date, datepicker) {

                    var id_ = $get('<%= hfData.ClientID %>').value = date;
                    updatePage();
                }
            });
        });
        function updatePage() {
            document.getElementById('<%=btnReload.ClientID %>').click();
        }

    </script>

 $("#tbData").datepicker("setDate", "0");

 $("#tbData").datepicker("setDate", $get('<%= hfData.ClientID %>').value);