緩存清除不掉？？？
http://topic.csdn.net/u/20090223/15/12a5614c-3b79-4bea-a826-c0505859471b.html
母版如下：最簡單的。。。。
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>未命名頁面</title> <asp:ContentPlaceHolder id="head" runat="server"> </asp:ContentPlaceHolder></head><body> <form id="form1" runat="server"> <div> <asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server"> </asp:ContentPlaceHolder> </div> </form></body></html>
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="A.aspx.cs" Inherits="A" Title="未命名頁面" %><asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server"><script language="javascript" type="text/javascript">// <!CDATA[window.history.forward(1); // // ]]></script></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" /></asp:Content>
