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.net页面定时刷新的几种简单方式

2011-10-17 15:18 197 查看
1:

Js代码

window.setTimeout("window.location.href='Default5.aspx?timestamp="+Date.parse(new
Date())+"'",1000);

window.setTimeout("window.location.href='Default5.aspx?timestamp="+Date.parse(new Date())+"'",1000);


2:

Html代码

<%@ Page
Language="C#"
AutoEventWireup="true"
CodeFile="Default5.aspx.cs"
Inherits="Default5" %>

<!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></title>

<script
type="text/javascript">

setTimeout("document.getElementById(\"Button1\").click()",3000);

</script>

</head>

<body>

<form
id="form1"
runat="server">

<div>

<asp:Button
ID="Button1"
runat="server"
Text="Button"
onclick="Button1_Click"
style="display:none;"
/>

</div>

</form>

</body>

</html>

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %>

<!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></title>
<script type="text/javascript">
setTimeout("document.getElementById(\"Button1\").click()",3000);
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" style="display:none;" />
</div>
</form>
</body>
</html>


后台:

C#代码

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial
class Default5 : System.Web.UI.Page

{
protected
void Page_Load(object sender, EventArgs e)

{

}
protected
void Button1_Click(object sender, EventArgs e)

{
Response.Write(DateTime.Now);
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(DateTime.Now);
}
}


3:

C#代码

Response.AddHeader("refresh","10;url=Default5.aspx");

Response.AddHeader("refresh","10;url=Default5.aspx");


4:

Html代码

<meta
http-equiv="refresh"
content="3;url=Default5.aspx"
/>

<meta
http-equiv="refresh"
content="3"
/><!--如果不知道那个URL则默认为当前页-->

<meta http-equiv="refresh" content="3;url=Default5.aspx" />
<meta http-equiv="refresh" content="3" /><!--如果不知道那个URL则默认为当前页-->

5:

C#代码

StringBuilder script = new StringBuilder();

script.Append("<script type=\"text/javascript\">\n");

script.Append("window.setInterval('postme()',3000)\n");

script.Append("function postme(){\n");

script.Append("document.forms[0].submit();\n");

script.Append("}\n");

script.Append("</script>\n");

Page.ClientScript.RegisterStartupScript(this.GetType(),"refresh",script.ToString());

StringBuilder script = new StringBuilder();
script.Append("<script type=\"text/javascript\">\n");
script.Append("window.setInterval('postme()',3000)\n");
script.Append("function postme(){\n");
script.Append("document.forms[0].submit();\n");
script.Append("}\n");
script.Append("</script>\n");
Page.ClientScript.RegisterStartupScript(this.GetType(),"refresh",script.ToString());

6:将刷新时间放到配置文件里:

Html代码

<meta
http-equiv="refresh"
content="<%= System.Configuration.ConfigurationManager.AppSettings["test"].ToString()
%>" />

<meta http-equiv="refresh" content="<%= System.Configuration.ConfigurationManager.AppSettings["test"].ToString() %>" />


Xml代码

<add
key="test"
value="3"/>
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