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(二)代码

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="数据绑定控件同时显示主表和子表数据.WebForm1" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
 
<HEAD>
  
<title>WebForm1</title>
  
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
  
<meta name="CODE_LANGUAGE" Content="C#">
  
<meta name="vs_defaultClientScript" content="JavaScript">
  
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
 
</HEAD>
 
<body MS_POSITIONING="GridLayout">
  
<form id="Form1" method="post" runat="server">
   
<!-- 绑定主表数据 -->
   
<asp:repeater id="myRepeater" runat="server">
    
<HeaderTemplate>
     
<table border="0" bgcolor="lightblue">
    
</HeaderTemplate>
    
<ItemTemplate>
     
<tr>
      
<td style="background-color: lightgray">
       
<b>
        
<%# DataBinder.Eval(Container.DataItem,"TypeID"%>
        
&nbsp;
        
<%# DataBinder.Eval(Container.DataItem,"TypeName"%>
       
</b>
       
<br>
       
<!-- 绑定子表数据 -->
       
<asp:repeater id="childRepeater" datasource='<%# ((DataRowView)Container.DataItem)
   .Row.GetChildRows("TypeRelation"%>' runat="server">
        <itemtemplate>
         
<table border="0" bgcolor="#ffcc33">
          
<tr>
           
<td>
            
&nbsp;&nbsp;
            
<%# DataBinder.Eval(Container.DataItem,"[\"TypeID\"]"%>
            
&nbsp;
            
<%# DataBinder.Eval(Container.DataItem, "[\"TypeDetail\"]")%>
            
<br>
           
</td>
          
</tr>
         
</table>
        
</itemtemplate>
       
</asp:repeater>
      
</td>
     
</tr>
    
</ItemTemplate>
    
<FooterTemplate>
     
</table>
    
</FooterTemplate>
   
</asp:repeater>

  
</form>
 
</body>
</HTML>

后台代码:
 using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace 数据绑定控件同时显示主表和子表数据
{
 
/// <summary>
 
/// 数据绑定控件同时显示主表和子表数据
 
/// </summary>

 public class WebForm1 : System.Web.UI.Page
 
{
  
protected System.Web.UI.WebControls.Repeater myRepeater;
  
private void Page_Load(object sender, System.EventArgs e)
  
{
   DataSet ds 
= new DataSet();
   
   
//1.构造主表
   DataTable dtTypeParent=new DataTable();
   dtTypeParent.Columns.Add(
new DataColumn("TypeID",typeof(int)));
   dtTypeParent.Columns.Add(
new DataColumn("TypeName",typeof(string)));
   
//给主表添加两条记录
   DataRow drParent1 = dtTypeParent.NewRow();
   drParent1[
"TypeID"= 1;  
   drParent1[
"TypeName"= "水果";   
   dtTypeParent.Rows.Add(drParent1);
   DataRow drParent2 
= dtTypeParent.NewRow();
   drParent2[
"TypeID"= 2;  
   drParent2[
"TypeName"= "玩具";
   dtTypeParent.Rows.Add(drParent2);
   dtTypeParent.TableName
="TypeParent";   
   dtTypeParent.PrimaryKey 
= new DataColumn[] {dtTypeParent.Columns["TypeID"]};
   ds.Tables.Add(dtTypeParent);
   
   
//2.构造子表
   DataTable dtTypeChild=new DataTable();
   dtTypeChild.Columns.Add(
new DataColumn("TypeID",typeof(int)));
   dtTypeChild.Columns.Add(
new DataColumn("TypeDetail",typeof(string)));
   
//给子表添加五条记录
   DataRow drChild1 = dtTypeChild.NewRow();
   drChild1[
"TypeID"= 1;  
   drChild1[
"TypeDetail"= "苹果";  
   dtTypeChild.Rows.Add(drChild1);
   DataRow drChild2 
= dtTypeChild.NewRow();
   drChild2[
"TypeID"= 1;  
   drChild2[
"TypeDetail"= "桔子"
   dtTypeChild.Rows.Add(drChild2);
   DataRow drChild3 
= dtTypeChild.NewRow();
   drChild3[
"TypeID"= 1;  
   drChild3[
"TypeDetail"= "香蕉";
   dtTypeChild.Rows.Add(drChild3);
   DataRow drChild4 
= dtTypeChild.NewRow();
   drChild4[
"TypeID"= 2;  
   drChild4[
"TypeDetail"= "机器人";
   dtTypeChild.Rows.Add(drChild4);
   DataRow drChild5 
= dtTypeChild.NewRow();
   drChild5[
"TypeID"= 2;  
   drChild5[
"TypeDetail"= "小汽车";
   dtTypeChild.Rows.Add(drChild5);
   dtTypeChild.TableName
="TypeChild";  
   ds.Tables.Add(dtTypeChild);

   ds.Relations.Add(
"TypeRelation",
    ds.Tables[
"TypeParent"].Columns["TypeID"],
    ds.Tables[
"TypeChild"].Columns["TypeID"]);
   
   myRepeater.DataSource 
= ds.Tables["TypeParent"];
   Page.DataBind();      
  }



  
Web 窗体设计器生成的代码
 }

}

posted on 2006-03-13 10:37  维维  阅读(200)  评论(0编辑  收藏  举报