前台：
<body> ???<form id="form1" runat="server"> ???????<%--网页的循环--%> ???????<%for(int i = 0;i<f.Length;i++) ??????????{%> ???<div> ???????<%=f[i]%> ???</div> ???????<% }%> ???????<div id="aa" runat="server"></div> ???????<%=cc %><%--定义变量--%> ???</form></body>后台：
public partial class _Default : System.Web.UI.Page{ ???public string[] f = new string[] { "1", "3", "4", "5" };//前台的循环赋值 ???public string cc = "111111111";//变量的定义和赋值 ???protected void Page_Load(object sender, EventArgs e) ???{ ???????aa.InnerHtml = "11111";//对前台id为"aa"的控件赋值 ???????????}}网页变量的赋值示例
原文地址：http://www.cnblogs.com/12jh23/p/7668013.html