利用Repeater控件显示主-从关系数据表
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<%
@ Import Namespace="System.Data" %>
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<%
@ Page language="c#" Codebehind="NestedRepeater.aspx.cs"
AutoEventWireup="false" Inherits="eMeng.NestedRepeater" %>
<HTML>
<body>
<form runat="server">
<!-- 父Repeater开始 -->
<asp:repeater id="parentRepeater" runat="server">
<itemtemplate>
<b>
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<%
# DataBinder.Eval(Container.DataItem,"au_id") %>
</b>
<br>
<!-- 子Repeater开始 -->
<asp:repeater id="childRepeater" runat="server"
datasource='<%# ((DataRowView)Container.DataItem).Row.GetChildRows("myrelation") %>'>
<itemtemplate>
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<%
# DataBinder.Eval(Container.DataItem, "[\"title_id\"]")%>
<br>
</itemtemplate>
</asp:repeater>
<!-- 子Repeater结束 -->
</itemtemplate>
</asp:repeater>
<!-- 父Repeater结束 -->
</form>
</body>
</HTML>
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using System;
using System.Data;
using System.Data.SqlClient;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
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namespace eMeng
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{
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/**//// <summary>
/// NestedRepeater 的摘要说明。
/// 本文介绍如何利用Repeater控件显示主-从关系的表格
/// 原文参见:
/// http://support.microsoft.com/default.aspx?scid=kb;en-us;306154
/// </summary>
public class NestedRepeater : System.Web.UI.Page
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{
protected System.Web.UI.WebControls.Repeater parentRepeater;
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public void Page_Load(object sender, EventArgs e)
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{
// 为Authors表创建 Connection 和 DataAdapter
string cnnString = @"server=(local)\NetSDK;database=pubs; Integrated Security=SSPI;";
SqlConnection cnn = new SqlConnection(cnnString);
SqlDataAdapter cmd1 = new SqlDataAdapter("select * from authors",cnn);
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//创建填充 DataSet.
DataSet ds = new DataSet();
cmd1.Fill(ds,"authors");
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// 为Titles表创建 DataAdapter
SqlDataAdapter cmd2 = new SqlDataAdapter("select * from titleauthor",cnn);
cmd2.Fill(ds,"titles");
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// 创建 Authors 表和 Titles 表之间的关系.
ds.Relations.Add("myrelation",
ds.Tables["authors"].Columns["au_id"],
ds.Tables["titles"].Columns["au_id"]);
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// 绑定Authors到父Repeater
parentRepeater.DataSource = ds.Tables["authors"];
Page.DataBind();
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cnn.Close();
cnn.Dispose();
}
private void Page_Init(object sender, EventArgs e)
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{
InitializeComponent();
}
private void InitializeComponent()
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{
this.Load += new System.EventHandler(this.Page_Load);
}
public NestedRepeater()
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{
Page.Init += new System.EventHandler(Page_Init);
}
}
}
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