广告控件的使用方法：
广告文件是一个XML文件，广告文件中所有的标签属性被分析后放到adProperties字典中，用以属性编辑。
ads.xml
<?xml version="1.0" encoding="utf-8"?>
<!--广告文件是一个XML文件-->
<Advertisements>
<Ad>
<ImageUrl>4rwbgzby.gif</ImageUrl>
<NavigateUrl>https://www.jb51.net</NavigateUrl>
<AlternateText>Text_01</AlternateText>
<KeyWord>one</KeyWord>
<Impressions>40</Impressions>
<Aniaml>I'm using adRotator No.1</Aniaml>
</Ad>
<Ad>
<ImageUrl>banner.jpg</ImageUrl>
<NavigateUrl>https://www.jb51.net</NavigateUrl>
<AlternateText>Text_02</AlternateText>
<KeyWord>two</KeyWord>
<Impressions>40</Impressions>
<Aniaml>I'm using adRotator No.2</Aniaml>
</Ad>
<Ad>
<ImageUrl>cvtxlkw4.gif</ImageUrl>
<NavigateUrl>https://www.jb51.net</NavigateUrl>
<AlternateText>Text_03</AlternateText>
<KeyWord>three</KeyWord>
<Impressions>30</Impressions>
<Aniaml>I'm using adRotator No.3</Aniaml>
</Ad>
</Advertisements>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class myTest_advertisement : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void ad_Created(object sender, AdCreatedEventArgs e)
{
if ((string)e.AdProperties["Animal"] != "")
Label1.Text = (string)e.AdProperties["Aniaml"];
else
Label1.Text = "n.a.";
}
}
adRotator.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="adRotator.aspx.cs" Inherits="myTest_advertisement" %>
<!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>Using adRotator</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>Adrotator Control</h1>
<%--Adrotator文件--%>
<asp:AdRotator ID="AdRotator1" runat="server"
Target="_blank"
AdvertisementFile="ads.xml"
onAdCreated="ad_Created"/>
<br />
Animal:
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
</html>
1、重构菜单：提取方法（Ctrl+R，Ctrl+M） 封装字段（Ctrl+R，Ctrl+F）
2、字典中的关键字是Animal， 该值转化为字符串，
（string）.AdProperties["Aniaml"]
