<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="WebUserControl" %>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode=Conditional>
<ContentTemplate>
<%=DateTime.Now %>
</ContentTemplate>
</asp:UpdatePanel>
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class WebUserControl : System.Web.UI.UserControl
{
private static System.Random rn = new Random(DateTime.Now.Millisecond);
protected void Page_Load(object sender, EventArgs e)
{
if (rn.NextDouble() > 0.5)
{
this.UpdatePanel1.Update();
}
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="add_pageLoading.aspx.cs" Inherits="_Default" %>
<%@ Register src="WebUserControl.ascx" tagname="WebUserControl" tagprefix="uc1" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<uc1:WebUserControl ID="WebUserControl1" runat="server" />
</div>
<uc1:WebUserControl ID="WebUserControl2" runat="server" />
<uc1:WebUserControl ID="WebUserControl3" runat="server" />
<uc1:WebUserControl ID="WebUserControl4" runat="server" />
<uc1:WebUserControl ID="WebUserControl5" runat="server" />
<mce:script language="javascript" type="text/javascript"><!--
function HighColor(panls, clear) {//高亮显示更新的panl
for (var i = 0; i < panls.length; i++) {
var panl = panls[i];
