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<%@ Page Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="PageByControl.aspx.cs"
Inherits="Cahce_PageByControl" Title="页面输出缓存（VaryByControl）" %>
<%@ Register Src="CacheControl.ascx" TagName="CacheControl" TagPrefix="uc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<p>
未经缓存设置的容器页：
<%=DateTime.Now %>
</p>
经过VaryByControl设置的用户控件，根据DropDownList的不同缓存不同的内容（用户控件中的@OutputCache指令为Duration="10"
VaryByControl="DropDownList1"）：<br />
<uc1:CacheControl ID="CacheControl1" runat="server" />
</asp:Content>
