repeater显示主从表关系
运行结果如下图所示:
WebForm1.aspx
WebForm1.aspx
<%@ Import Namespace="System.Data"%>
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="HibernateTest.WebForm1" %>
<!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>
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<!-- 父Repeater开始 -->
<asp:Repeater id="Repeater1" runat="server">
<itemtemplate>
<b>
<br>
CustomerID:
<%# DataBinder.Eval(Container.DataItem,"CustomerID") %>
</b>
<br>
<b>
<br>
CompanyName:
<%# DataBinder.Eval(Container.DataItem,"CompanyName") %>
</b>
<br>
OrderID:
<br>
<!-- 子Repeater开始 -->
<asp:repeater id="childRepeater" runat="server" datasource='<%# ((DataRowView)Container.DataItem).Row.GetChildRows("CustOrder") %>'>
<itemtemplate>
<%# DataBinder.Eval(Container.DataItem, "[\"ORDERID\"]")%>
<br>
</itemtemplate>
</asp:repeater>
<hr>
<!-- 子Repeater结束 -->
</itemtemplate>
</asp:Repeater>
<!-- 父Repeater结束 -->
</FONT>
</form>
</body>
</HTML>
WebForm1.aspx.cs<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="HibernateTest.WebForm1" %>
<!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>
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<!-- 父Repeater开始 -->
<asp:Repeater id="Repeater1" runat="server">
<itemtemplate>
<b>
<br>
CustomerID:
<%# DataBinder.Eval(Container.DataItem,"CustomerID") %>
</b>
<br>
<b>
<br>
CompanyName:
<%# DataBinder.Eval(Container.DataItem,"CompanyName") %>
</b>
<br>
OrderID:
<br>
<!-- 子Repeater开始 -->
<asp:repeater id="childRepeater" runat="server" datasource='<%# ((DataRowView)Container.DataItem).Row.GetChildRows("CustOrder") %>'>
<itemtemplate>
<%# DataBinder.Eval(Container.DataItem, "[\"ORDERID\"]")%>
<br>
</itemtemplate>
</asp:repeater>
<hr>
<!-- 子Repeater结束 -->
</itemtemplate>
</asp:Repeater>
<!-- 父Repeater结束 -->
</FONT>
</form>
</body>
</HTML>
//***********************************************************
//*公司:
//*作者:YK
//*模块:WebForm1
//*功能:
//*创建日期:
//*修改日期:
//***********************************************************
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;
using System.Data.SqlClient;
namespace HibernateTest
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Repeater Repeater1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
this.GetData();
}
}
Web 窗体设计器生成的代码
private void GetData()
{
SqlConnection con = new SqlConnection("server=(local);database=Northwind;uid=sa;pwd=;");
System.Data.SqlClient.SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Customers",con);
System.Data.SqlClient.SqlDataAdapter da1 =new SqlDataAdapter("SELECT * FROM ORDERS",con);
DataSet ds= new DataSet();
try
{
con.Open();
//将主表Customer添加到DataSet中
da.Fill(ds,"Customers");
//将子表Orders添加到DataSet中
da1.Fill(ds,"Orders");
//添加表Customer和表Orders之间的关系CustOrder;关联字段CustomerID
ds.Relations.Add("CustOrder",ds.Tables["Customers"].Columns["CustomerID"],ds.Tables["Orders"].Columns["CustomerID"]);
this.Repeater1.DataSource = ds;
this.Repeater1.DataBind();
}
catch(Exception ex)
{
throw ex;
}
finally
{
con.Close();
con.Dispose();
}
}
}
}
//*公司:
//*作者:YK
//*模块:WebForm1
//*功能:
//*创建日期:
//*修改日期:
//***********************************************************
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;
using System.Data.SqlClient;
namespace HibernateTest
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Repeater Repeater1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
this.GetData();
}
}
Web 窗体设计器生成的代码
private void GetData()
{
SqlConnection con = new SqlConnection("server=(local);database=Northwind;uid=sa;pwd=;");
System.Data.SqlClient.SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Customers",con);
System.Data.SqlClient.SqlDataAdapter da1 =new SqlDataAdapter("SELECT * FROM ORDERS",con);
DataSet ds= new DataSet();
try
{
con.Open();
//将主表Customer添加到DataSet中
da.Fill(ds,"Customers");
//将子表Orders添加到DataSet中
da1.Fill(ds,"Orders");
//添加表Customer和表Orders之间的关系CustOrder;关联字段CustomerID
ds.Relations.Add("CustOrder",ds.Tables["Customers"].Columns["CustomerID"],ds.Tables["Orders"].Columns["CustomerID"]);
this.Repeater1.DataSource = ds;
this.Repeater1.DataBind();
}
catch(Exception ex)
{
throw ex;
}
finally
{
con.Close();
con.Dispose();
}
}
}
}