using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void ddlProvince_SelectedIndexChanged(object sender, EventArgs e)
    {
        ddlCity.Items.Clear();
        ddlCity.Items.Add("地市");
        ddlCity.DataTextField = "cname";
        ddlCity.DataValueField = "cname";
        XmlDataSource2.XPath = "//Province[@pname='" + ddlProvince.SelectedValue + "']/City";
        ddlCounty.Items.Clear();
        ddlCounty.Items.Add("县市");
    }
    protected void ddlCity_SelectedIndexChanged(object sender, EventArgs e)
    {
        ddlCounty.Items.Clear();
        ddlCounty.Items.Add("县市");
        ddlCounty.DataTextField = "name";
        ddlCounty.DataValueField = "name";
        XmlDataSource3.XPath = "//Province[@pname='" + ddlProvince.SelectedValue + "']/City[@cname='" + ddlCity.SelectedValue + "']/County";

    }
}
