1
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ControlForControlCachePolicy.ascx.cs" Inherits="ControlForControlCachePolicy" %>
2<script language="C#" runat="server">
3 new void Page_Load(object sender, EventArgs e)
4
{
5
Label1.Text ="用户控件的当前时间为---<font color='red'>"+ DateTime.Now.ToString()+"</font>";
6
}
7</script>
8<asp:Label ID="Label1" runat="server" Height="24px" Width="560px"></asp:Label>
Response.Cache的数据缓存:<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ControlForControlCachePolicy.ascx.cs" Inherits="ControlForControlCachePolicy" %>2
<script language="C#" runat="server">3
new void Page_Load(object sender, EventArgs e)4
{
5
Label1.Text ="用户控件的当前时间为---<font color='red'>"+ DateTime.Now.ToString()+"</font>";6
}7
</script>8
<asp:Label ID="Label1" runat="server" Height="24px" Width="560px"></asp:Label> 1%@ OutputCache Duration="5" VaryByParam="none" %>
2<script language="C#" runat="server">
3
4 protected void Page_Load(object sender, EventArgs e)
5 {
6 //设置缓存为当前时间加5秒
7 Response.Cache.SetExpires(DateTime.Now.AddSeconds(5));
8 //在API设置的时候必须指定这一句,设置缓存存放位置
9 Response.Cache.SetCacheability(HttpCacheability.Public);
10 //将缓存设置从绝对时间设置为过期时间
11 Response.Cache.SetSlidingExpiration(false);
12 //忽略表头
13 Response.Cache.SetValidUntilExpires(true);
14 Response.Write(DateTime.Now);
15 }
%@ OutputCache Duration="5" VaryByParam="none" %>2
<script language="C#" runat="server">3
4
protected void Page_Load(object sender, EventArgs e)5
{6
//设置缓存为当前时间加5秒7
Response.Cache.SetExpires(DateTime.Now.AddSeconds(5));8
//在API设置的时候必须指定这一句,设置缓存存放位置9
Response.Cache.SetCacheability(HttpCacheability.Public);10
//将缓存设置从绝对时间设置为过期时间11
Response.Cache.SetSlidingExpiration(false);12
//忽略表头13
Response.Cache.SetValidUntilExpires(true);14
Response.Write(DateTime.Now);15
}Substitution缓存的设置:
1<%@ OutputCache Duration="5" VaryByParam="None" %>
2<script language="C#" runat="server">
3 new void Page_Load(object sender, EventArgs e)
4 {
5 Response.Write("页面加载内容,设置为5秒缓存过期:-------"
6 +"<font color='red'>"+DateTime.Now.ToString()+"</font><br>");
7 Response.Write(Server.HtmlEncode("Server.HtmlEncode<hr color='red'>")+"<br>");
8 Response.Write(Server.HtmlDecode("Server.HtmlDecode<br><hr color='red' size='3pt'>"));
9 }
10 public static string SubstitutionFun(HttpContext context)
11 {
12 return ("Substitution控件中的时间显示效果(没有缓存):-------"
13 +"<font color='green'>"+DateTime.Now.ToString()+"</Font>");
14 }
15 public static string SubstitutionFunWrite(HttpContext context)
16 {
17 return ("Substitution控件中的时间显示效果(没有缓存):-------"
18 + "<font color='blue'>" + DateTime.Now.ToString() + "</Font>");
19 }
20</script>
21<html xmlns="http://www.w3.org/1999/xhtml" >
22<head runat="server">
23 <title>无标题页</title>
24</head>
25<body>
26 <form id="form1" runat="server">
27 <div>
28 <asp:Substitution ID="Substitution1" MethodName="SubstitutionFun" runat="server" />
29 <br />
30 <br />
31 <% Response.WriteSubstitution(new HttpResponseSubstitutionCallback(SubstitutionFunWrite)); %>
32 </div>
33 </form>
34</body>
35</html>
<%@ OutputCache Duration="5" VaryByParam="None" %>2
<script language="C#" runat="server">3
new void Page_Load(object sender, EventArgs e)4
{5
Response.Write("页面加载内容,设置为5秒缓存过期:-------"6
+"<font color='red'>"+DateTime.Now.ToString()+"</font><br>");7
Response.Write(Server.HtmlEncode("Server.HtmlEncode<hr color='red'>")+"<br>");8
Response.Write(Server.HtmlDecode("Server.HtmlDecode<br><hr color='red' size='3pt'>"));9
}10
public static string SubstitutionFun(HttpContext context)11
{12
return ("Substitution控件中的时间显示效果(没有缓存):-------"13
+"<font color='green'>"+DateTime.Now.ToString()+"</Font>");14
}15
public static string SubstitutionFunWrite(HttpContext context)16
{17
return ("Substitution控件中的时间显示效果(没有缓存):-------"18
+ "<font color='blue'>" + DateTime.Now.ToString() + "</Font>");19
}20
</script>21
<html xmlns="http://www.w3.org/1999/xhtml" >22
<head runat="server">23
<title>无标题页</title>24
</head>25
<body>26
<form id="form1" runat="server">27
<div>28
<asp:Substitution ID="Substitution1" MethodName="SubstitutionFun" runat="server" />29
<br />30
<br />31
<% Response.WriteSubstitution(new HttpResponseSubstitutionCallback(SubstitutionFunWrite)); %>32
</div>33
</form>34
</body>35
</html>页面加用户控件的数据缓存:
用户控件代码:
1<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ControlForControlCachePolicy.ascx.cs" Inherits="ControlForControlCachePolicy" %>
2<script language="C#" runat="server">
3 new void Page_Load(object sender, EventArgs e)
4 {
5 Label1.Text ="用户控件的当前时间为---<font color='red'>"+ DateTime.Now.ToString()+"</font>";
6 }
7</script>
8<asp:Label ID="Label1" runat="server" Height="24px" Width="560px"></asp:Label>
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ControlForControlCachePolicy.ascx.cs" Inherits="ControlForControlCachePolicy" %>2
<script language="C#" runat="server">3
new void Page_Load(object sender, EventArgs e)4
{5
Label1.Text ="用户控件的当前时间为---<font color='red'>"+ DateTime.Now.ToString()+"</font>";6
}7
</script>8
<asp:Label ID="Label1" runat="server" Height="24px" Width="560px"></asp:Label>页面调用代码:
1<%@ Register Src="ControlForControlCachePolicy.ascx" TagName="ControlForControlCachePolicy"
2 TagPrefix="uc1" %>
3 <%@ OutputCache Duration="5" VaryByParam="None" %>
4
5<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
6<script language="C#" runat="server">
7 void Page_Init(object sender, EventArgs e)
8 {
9 //动态加载用户控件,并返回PartialCachingControl实例
10 PartialCachingControl ppc = LoadControl("ControlForControlCachePolicy.ascx") as PartialCachingControl;
11 //通过CachePolicy属性获取ControlCachePolicy实例
12 ControlCachePolicy cacheSettings = ppc.CachePolicy;
13 //如果用户控件的过期时间大于20秒就
14 if (cacheSettings.Duration > TimeSpan.FromSeconds(20))
15
{
16 //设置用户控件过期时间和缓存过期测略
17 cacheSettings.SetExpires(DateTime.Now.Add(TimeSpan.FromSeconds(10)));
18 cacheSettings.SetSlidingExpiration(false);
19
}
20 Controls.Add(ppc);
21 }
22 new void Page_Load(object sender, EventArgs e)
23 {
24 Label1.Text = "本页面的控件显示的时间为:(本页面缓存设置为5秒):<font color='blue'>"
25 + DateTime.Now.ToString()+"</font>";
26 }
27</script>
28<html xmlns="http://www.w3.org/1999/xhtml" >
29<head runat="server">
30 <title>无标题页</title>
31</head>
32<body>
33 <form id="form1" runat="server">
34 <div>
35 <br />
36 <br />
37 <br />
38 <br />
39 <asp:Label ID="Label1" runat="server" Text="Label" Width="560px" Height="24px"></asp:Label> </div>
40 </form>
41</body>
42</html>
43
<%@ Register Src="ControlForControlCachePolicy.ascx" TagName="ControlForControlCachePolicy"2
TagPrefix="uc1" %>3
<%@ OutputCache Duration="5" VaryByParam="None" %>4
5
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">6
<script language="C#" runat="server">7
void Page_Init(object sender, EventArgs e)8
{9
//动态加载用户控件,并返回PartialCachingControl实例10
PartialCachingControl ppc = LoadControl("ControlForControlCachePolicy.ascx") as PartialCachingControl;11
//通过CachePolicy属性获取ControlCachePolicy实例12
ControlCachePolicy cacheSettings = ppc.CachePolicy;13
//如果用户控件的过期时间大于20秒就14
if (cacheSettings.Duration > TimeSpan.FromSeconds(20))15
{ 
16
//设置用户控件过期时间和缓存过期测略17
cacheSettings.SetExpires(DateTime.Now.Add(TimeSpan.FromSeconds(10)));18
cacheSettings.SetSlidingExpiration(false);19
}20
Controls.Add(ppc);21
}22
new void Page_Load(object sender, EventArgs e)23
{24
Label1.Text = "本页面的控件显示的时间为:(本页面缓存设置为5秒):<font color='blue'>" 25
+ DateTime.Now.ToString()+"</font>";26
}27
</script>28
<html xmlns="http://www.w3.org/1999/xhtml" >29
<head runat="server">30
<title>无标题页</title>31
</head>32
<body>33
<form id="form1" runat="server">34
<div>35
<br />36
<br />37
<br />38
<br />39
<asp:Label ID="Label1" runat="server" Text="Label" Width="560px" Height="24px"></asp:Label> </div>40
</form>41
</body>42
</html>43
<%@ Reference Control="~/ControlForControlCachePolicy.ascx" %> 这一句加入页面的头部 用于将用户控件ControlForControlCachePolicy.ascx 控件的动态编辑和连接
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