datapage.aspx.cs

AJAX入门２０例之２

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;

public partial class datapage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        //获取传递过来的参数
        string city =Request.QueryString["city"];
        Response.Clear();
        //判断城市名
        switch (city)
        {
            case "beijing":
                //填充相关的区域
                Response.Write("朝阳,海淀,东城,西城");
                break;
            case "shanghai":
                Response.Write("浦东,静安,虹口,徐汇");
                break;
            case "jinan":
                Response.Write("历下,历城,市中,天桥");
                break;
        }
    }
}