公司某项目中用到了repeater嵌套，当初用SqlDataSource绑定repeater数据源总是绑定不对
使用当r1绑定一列后，触发了r1的ItemDataBound事件，r2绑定数据，但是最后的结果全是依据r1最后一列所对应的数据，原因是因为使用了共同的数据源
所以在这个地方建议不要用SqlDataSource，改用dataset或datatable等来绑定数据
如下总结，留以后用
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="NoteRepeater.aspx.cs" Inherits="NoteRepeater"%>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server"
onitemcommand="Repeater1_ItemCommand"
onitemdatabound="Repeater1_ItemDataBound"
onitemcreated="Repeater1_ItemCreated">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" CommandName="r1_linkbtn" runat="server"><%#(Container.DataItem asstring).ToString() %></asp:LinkButton>
<asp:HiddenField ID="HiddenField1" runat="server"/>
<table>
<tr>
<td>
<asp:Repeater ID="Repeater2" runat="server" onitemcommand="rep_ItemCommand">
<ItemTemplate>
<asp:LinkButton ID="LinkButton2" CommandName="r2_linkbtn" runat="server" Text='<%#(Container.DataItem as string).ToString() %>'></asp:LinkButton>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</table>
</ItemTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server"
onitemcommand="Repeater1_ItemCommand"
onitemdatabound="Repeater1_ItemDataBound"
onitemcreated="Repeater1_ItemCreated">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" CommandName="r1_linkbtn" runat="server"><%#(Container.DataItem asstring).ToString() %></asp:LinkButton>
<asp:HiddenField ID="HiddenField1" runat="server"/>
<table>
<tr>
<td>
<asp:Repeater ID="Repeater2" runat="server" onitemcommand="rep_ItemCommand">
<ItemTemplate>
<asp:LinkButton ID="LinkButton2" CommandName="r2_linkbtn" runat="server" Text='<%#(Container.DataItem as string).ToString() %>'></asp:LinkButton>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</table>
</ItemTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
后台代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
publicpartialclass NoteRepeater : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
List<string> list =new List<string>();
list.Add("北京");
list.Add("上海");
list.Add("山东");
this.Repeater1.DataSource = list;
Repeater1.DataBind(); //不要忘记绑定
}
//这个事件是当repeater绑定一列后执行一次，绑定一列执行一次
protectedvoid Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
List<string> list2 =new List<string>();
list2.Add("C#");
list2.Add("ASP.NET");
list2.Add("AJAX");
//获得repeater2
Repeater rep = e.Item.FindControl("Repeater2") as Repeater;
rep.DataSource = list2;
rep.DataBind();
}
protectedvoid Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandName=="r1_linkbtn")
{
string linkbtn = ((LinkButton)(e.Item.FindControl("LinkButton1") as LinkButton)).Text;
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('您触发了Repeater1并选择了:"+ linkbtn +"（因为linkbutton中没有写text属性，所以没有值，但是已经触发了r1事件）')</script>");
}
}
protectedvoid rep_ItemCommand(object source, RepeaterCommandEventArgs e)
{
//CommandName为linkbutton的一个属性，前台页面不要忘记添加
if (e.CommandName=="r2_linkbtn")
{
//获取linkbutton的text值，注意：要在linkbutton里写text属性否则获取不到
string linkbtn = ((LinkButton)(e.Item.FindControl("LinkButton2") as LinkButton)).Text;
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('您出发了Repeater2并选择了:"+ linkbtn +"')</script>");
}
}
protectedvoid Repeater1_ItemCreated(object sender, RepeaterItemEventArgs e)
{
Repeater rep = e.Item.FindControl("Repeater2") as Repeater; //在r1的ItemCreated事件中注册一下r2
}
}
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
publicpartialclass NoteRepeater : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
List<string> list =new List<string>();
list.Add("北京");
list.Add("上海");
list.Add("山东");
this.Repeater1.DataSource = list;
Repeater1.DataBind(); //不要忘记绑定
}
//这个事件是当repeater绑定一列后执行一次，绑定一列执行一次
protectedvoid Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
List<string> list2 =new List<string>();
list2.Add("C#");
list2.Add("ASP.NET");
list2.Add("AJAX");
//获得repeater2
Repeater rep = e.Item.FindControl("Repeater2") as Repeater;
rep.DataSource = list2;
rep.DataBind();
}
protectedvoid Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandName=="r1_linkbtn")
{
string linkbtn = ((LinkButton)(e.Item.FindControl("LinkButton1") as LinkButton)).Text;
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('您触发了Repeater1并选择了:"+ linkbtn +"（因为linkbutton中没有写text属性，所以没有值，但是已经触发了r1事件）')</script>");
}
}
protectedvoid rep_ItemCommand(object source, RepeaterCommandEventArgs e)
{
//CommandName为linkbutton的一个属性，前台页面不要忘记添加
if (e.CommandName=="r2_linkbtn")
{
//获取linkbutton的text值，注意：要在linkbutton里写text属性否则获取不到
string linkbtn = ((LinkButton)(e.Item.FindControl("LinkButton2") as LinkButton)).Text;
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('您出发了Repeater2并选择了:"+ linkbtn +"')</script>");
}
}
protectedvoid Repeater1_ItemCreated(object sender, RepeaterItemEventArgs e)
{
Repeater rep = e.Item.FindControl("Repeater2") as Repeater; //在r1的ItemCreated事件中注册一下r2
}
}
（本人愚见，望指教！）