<script type="text/javascript" src="/jquery/jquery-1.8.2.min.js"></script> 
<script type="text/javascript">
//批量禁用form表单 
$(document).ready(function(){ 
$(".ddd input").attr("disabled","disabled"); 
$(".ddd select").attr("disabled","disabled"); 
}); //by www.jbxue.com

</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>