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方法一：
前台：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DataListNesting.aspx.cs" Inherits="kzpic_DataListNesting" %>
<!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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataList ID="DataList1" runat="server">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Eval("midclass_id") %>'></asp:Label>
<asp:Label ID="Label2" runat="server" Text='<%# Eval("midclass_name") %>'></asp:Label>
<asp:DataList ID="DataList2" runat="server" DataSource='<%# (Container.DataItem as System.Data.DataRowView).Row.GetChildRows("myRelation") %>'>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["midclass_id"] %>'></asp:Label>
<asp:Label ID="Label2" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["title"] %>'></asp:Label>
<asp:Label ID="Label3" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["small_pic"] %>'></asp:Label>
</ItemTemplate>
</asp:DataList>
</ItemTemplate>
</asp:DataList>
</div>
</form>
</body>
</html>
后台：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class kzpic_DataListNesting : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindList();
}
}
private void BindList()
{
//从配置文件获取数据库连接串
string strConnection = ConfigurationManager.AppSettings["conStr"];
SqlConnection cn = new SqlConnection(strConnection);
cn.Open();
DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter("select * from midclassname where bigclass_id=7; select top 12 * from kztp", cn);
da.Fill(ds);
cn.Close();
ds.Tables[0].TableName = "Orders";
ds.Tables[1].TableName = "OrderDetails";
DataRelation ordersToOrderDetails = ds.Relations.Add("myRelation", ds.Tables["Orders"].Columns["midclass_id"], ds.Tables["OrderDetails"].Columns["midclass_id"]);
DataList1.DataSource = ds.Tables["Orders"];
this.DataList1.DataBind();//执行绑定
}
}
方法二：
前台：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DataListNesting.aspx.cs" Inherits="DataListNesting" %>
<!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>DataListNesting</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataList ID="DataList1" runat="server">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Eval("OrderID") %>'></asp:Label>
<asp:Label ID="Label2" runat="server" Text='<%# Eval("CustomerID") %>'></asp:Label>
<asp:DataList ID="DataList2" runat="server" DataSource='<%# (Container.DataItem as System.Data.DataRowView).Row.GetChildRows("myRelation") %>'>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["ProductID"] %>'></asp:Label>
<asp:Label ID="Label2" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["UnitPrice"] %>'></asp:Label>
<asp:Label ID="Label3" runat="server" Text='<%# (Container.DataItem as System.Data.DataRow)["Quantity"] %>'></asp:Label>
</ItemTemplate>
</asp:DataList>
</ItemTemplate>
</asp:DataList>
</div>
</form>
</body>
</html>
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/amandag/archive/2008/06/11/2537364.aspx
后台：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class DataListNesting : System.Web.UI.Page
{
private void BindList()
{
SqlConnection cn = new SqlConnection(@"server=.\sqlexpress;uid=sa;pwd=;database=northwind;");
SqlDataAdapter da = new SqlDataAdapter("select OrderID, CustomerID from Orders; select OrderID, ProductID, UnitPrice, Quantity from [Order Details]", cn);
DataSet ds = new DataSet();
cn.Open();
da.Fill(ds);
cn.Close();
ds.Tables[0].TableName = "Orders";
ds.Tables[1].TableName = "OrderDetails";
DataRelation ordersToOrderDetails = ds.Relations.Add("myRelation", ds.Tables["Orders"].Columns["OrderID"], ds.Tables["OrderDetails"].Columns["OrderID"]);
DataList1.DataSource = ds.Tables["Orders"];
DataList1.DataBind();
}
private void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
{
BindList();
}
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/amandag/archive/2008/06/11/2537364.aspx
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