7.2Ajax和用户控件
Ajax和用户控件
RandomQuotation.ascx
<%@ Control Language="C#" ClassName="RandomQuotation" %><%@ Import Namespace="System.Collections.Generic" %><script runat="server"> protected void Page_Load(object sender, EventArgs e) { List<string> quotes = new List<string>(); quotes.Add("All paid jobs absorb and degrade the mind --Aristotle"); quotes.Add("No evil can happen to a good man, either in life or after death -- Plato"); quotes.Add("The only good is knowledge and the only evil is ignorance --Plato"); Random rnd = new Random(); lblQuote.Text = quotes[rnd.Next(quotes.Count)]; }</script><asp:ScriptManager ID="sm1" runat="server"></asp:ScriptManager><asp:Timer ID="Timer1" runat="server" Interval="5000" /><asp:UpdatePanel ID="up1" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="Timer1" /> </Triggers> <ContentTemplate> <div runat="server" /> </div> </ContentTemplate></asp:UpdatePanel><%@ Page Language="C#" %><%@ Register TagPrefix="user" TagName="RandomQuotation" Src="~/RandomQuotation.ascx" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"></script><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <style type="text/css"> .quote { width: 200px; padding: 20px; border: Dotted 2px orange; background-color: #eeeeee; font: 16px Georgia,Serif; } </style> <title>Show Random Quotation</title></head><body> <form id="form1" runat="server"> <div> <%=DateTime.Now %> <br /> <user:RandomQuotation ID="RandomQuotation1" runat="server" /> </div> </form></body></html>