关于在后台怎么遍历前台的DIV
<form id="form1" runat="server">
<div runat="server">
</div>

<div runat="server">
</div>


<div runat="server">
</div>
</form>
在后台用foreach怎么遍历前台的所有DIV

foreach (Control item in form1.Controls)
{
item as 什么
}


[解决办法]
as System.Web.UI.HtmlControls.HtmlGenericControl