DataList嵌套DataList(使用DataRelation实现纯代码)

来源：互联网发布：网站美工都做什么编辑：程序博客网时间：2024/05/22 15:20

aspx

<%@ 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>

<%@ 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>

aspx.cs

view plain copy to clipboard print ?

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();
}
}
//protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)
//{
// DataList DataList2;
// if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
// {
// DataList2 = e.Item.FindControl("DataList2") as DataList;
// DataList2.DataSource = ((DataRowView)(e.Item.DataItem)).Row.GetChildRows("myRelation");
// DataList2.DataBind();
// }
//}
}

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();        }    }    //protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)    //{    //    DataList DataList2;    //    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)    //    {    //        DataList2 = e.Item.FindControl("DataList2") as DataList;    //        DataList2.DataSource = ((DataRowView)(e.Item.DataItem)).Row.GetChildRows("myRelation");    //        DataList2.DataBind();    //    }    //}}

DataList嵌套DataList(使用DataRelation实现 纯代码)

DataList嵌套DataList(使用DataRelation实现纯代码)