<script type="text/javascript" src="jquery-1.8.2.min.js"></script>   <script type="text/javascript">   $(document).ready(function(){       $(".ddd input").attr("disabled","disabled");       $(".ddd select").attr("disabled","disabled");   });   </script>   <div class="ddd">   <input type="text" disabled>   <input type="text">   <input type="text">   <input type="text">   <select name="ddlsex" id="ddlsex" runat="server">                 <option value="">--请选择--</option>                 <option value="m" selected="selected">男</option>                 <option value="f">女</option>               </select>   </div>