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代码示例：在多个UpdatePannel使用AJAX.NET TIMER控件

2007-06-10 16:29 776 查看

aspx页面代码：

<%...@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="AJAXTIMER_INDOUBLEPANNELS._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<title>Untitled Page</title>

</head>

<body>

<asp:ScriptManager ID="ScriptManager1" runat="server" />

<asp:Timer ID="Timer1" runat="server" Interval="10000" OnTick="Timer1_Tick">

</asp:Timer>

<div>

<asp:UpdatePanel ID="upFirst" runat="server" UpdateMode="Conditional">

<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />

</Triggers>

<asp:Label ID="lblFirst" runat="server" Text="upFirst not refreshed yet"></asp:Label>

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</ContentTemplate>

</asp:UpdatePanel>

</div>

<asp:UpdatePanel ID="upSecond" runat="server" UpdateMode="Conditional">

<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />

</Triggers>

<asp:Label ID="lblSecond" runat="server" Text="upSecond not refreshed yet"></asp:Label>

</ContentTemplate>

</asp:UpdatePanel>

</form>

</body>

</html>

后台C#代码：

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

namespace AJAXTIMER_INDOUBLEPANNELS

...{

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

...{

protected void Page_Load(object sender, EventArgs e)

...{

}

protected void Timer1_Tick(object sender, EventArgs e)

...{

lblFirst.Text = "upFirst refreshed at: " +

DateTime.Now.ToLongTimeString();

lblSecond.Text = "upSecond refreshed at: " +

DateTime.Now.ToLongTimeString();

}

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标签： timer triggers asp server object html

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