.net2.0下ASP.NET AJAX 1.0的入门级问题
我现在的开发环境是.net2.0的,里面加入了ASP.NET AJAX 1.0的dll库文件,想做个实时更新的展示页面,完全按照微软官方的例子写,但是不能实时,直接运行也不行.新建了个.net4.0的工程,发现运行良好.请高手指点一二,如何在.net2.0下如何实时更新
微软官方代码如下
<%@ Page Language="C#" AutoEventWireup="true" %><%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" TagPrefix="asp" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>Timer Example Page</title> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { OriginalTime.Text = DateTime.Now.ToLongTimeString(); } protected void Timer1_Tick(object sender, EventArgs e) { StockPrice.Text = GetStockPrice(); TimeOfPrice.Text = DateTime.Now.ToLongTimeString(); } private string GetStockPrice() { double randomStockPrice = 50 + new Random().NextDouble(); return randomStockPrice.ToString("C"); } </script></head><body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <asp:Timer ID="Timer1" OnTick="Timer1_Tick" runat="server" Interval="10000" /> <asp:UpdatePanel ID="StockPricePanel" runat="server" UpdateMode="Conditional"> <Triggers> <asp:AsyncPostBackTrigger ControlID="Timer1" /> </Triggers> <ContentTemplate> Stock price is <asp:Label id="StockPrice" runat="server"></asp:Label><BR /> as of <asp:Label id="TimeOfPrice" runat="server"></asp:Label> </ContentTemplate> </asp:UpdatePanel> <div> Page originally created at <asp:Label ID="OriginalTime" runat="server"></asp:Label> </div> </form></body></html><%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" TagPrefix="asp" %>