AJAX.NET控件之Timer

项目图片:

显示页面Html代码:

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<title>AJAX.NET控件之Timer</title>

</head>

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

<asp:Timer ID="Timer1" runat="server" Interval="3000" OnTick="Timer1_Tick">

</asp:Timer>

<br />

sample content

<br />

</div>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

<%--这里是异步回传,不刷新页面转换图片--%>

<asp:AsyncPostBackTrigger ControlID="Timer1" />

</Triggers>

<asp:Image ID="Image1" runat="server" Height="320px" ImageUrl="~/image/1.gif" Width="600px" />

</ContentTemplate>

</asp:UpdatePanel>

<br />

sample content

</form>

</body>

</html>

显示页面CS代码:

using System;

using System.Data;

using System.Configuration;

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;

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

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Timer1_Tick(object sender, EventArgs e)

{

Random rnd=new Random();

int n = rnd.Next(1, 9);

Image1.ImageUrl = "image/" + n.ToString() + ".gif";

}

posted on 2007-04-30 00:42 小角色阅读(738) 评论(0) 收藏举报