<dl id="body-zhanshi"><%--一级 Repeater 绑定 省 --%><asp:Repeater ID="Repeater1" runat="server"><ItemTemplate><dt class="body-dt"><a href="#?AC=<%#Eval("AreaCode") %>"> <%#Eval("AreaName")%> </a></dt><dd class="body-dd"><%--二级 Repeater 绑定 市 --%><asp:Repeater ID="Repeater2" runat="server"><ItemTemplate><a href="#?AC=<%#Eval("AreaCode") %>"> <%#Eval("AreaName")%></a></ItemTemplate></asp:Repeater></dd></ItemTemplate></asp:Repeater></dl></div>

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;public partial class Thc_chengshi_Thc_chsh : System.Web.UI.Page
{protected void Page_Load(object sender, EventArgs e){Repeater1.ItemDataBound += Repeater1_ItemDataBound;  //委托//全部城市
Repeater1.DataSource = states("0001");Repeater1.DataBind();}//母级城市对应的子集城市protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e){if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem){Repeater rep = e.Item.FindControl("Repeater2") as Repeater;  //找到里层的repeater对象
ChinaStates rowv = (ChinaStates)e.Item.DataItem;//找到分类Repeater关联的数据项 string cod = rowv.AreaCode;  //读取Repeater1中绑定数据的字段
rep.DataSource = states(cod); //调用方法查询数据、绑定Repeater1
            rep.DataBind();}}//查询城市的方法public List<ChinaStates> states(string code){List<ChinaStates> clist = new List<ChinaStates>();using (Data0216_ltDataClassesDataContext con = new Data0216_ltDataClassesDataContext()){clist = con.ChinaStates.Where(r => r.ParentAreaCode == code).ToList();}return clist;}}