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GridView模版列嵌套GirdView显示主从表数据

2006-12-17 13:27 351 查看
当需要在一个列表中显示主从表（例如部门-人员的信息），在asp.net1.1中我们可能会使用DataGrid模版列嵌套DataGrid的方法实现，然而，处理模版列里的DataGrid的翻页、排序、编辑等功能时都比较麻烦。在asp.net2.0中，配合DataSource控件的使用让这个问题变得非常简单！







<%

@ Page Language="C#" AutoEventWireup="true" CodeFile="GridView_GirdView.aspx.cs" Inherits="GridSamples_GridView_GirdView" %>




<!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:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="deptid"


DataSourceID="AccessDataSource1" AllowPaging="True" AllowSorting="True" PageSize="2" OnRowDataBound="GridView1_RowDataBound">


<Columns>


<asp:BoundField DataField="deptid" HeaderText="部门编号" InsertVisible="False" ReadOnly="True"


SortExpression="deptid" />


<asp:BoundField DataField="deptname" HeaderText="部门名称" SortExpression="deptname" />


<asp:BoundField DataField="deptremark" HeaderText="备注" SortExpression="deptremark" />


<asp:TemplateField HeaderText="人员信息">


<ItemTemplate>


<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataKeyNames="id"


DataSourceID="AccessDataSource2" AllowPaging="True" AllowSorting="True" PageSize="5">


<Columns>


<asp:BoundField DataField="id" HeaderText="人员编号" InsertVisible="False" ReadOnly="True"


SortExpression="id" />


<asp:BoundField DataField="name" HeaderText="姓名" SortExpression="name" />


<asp:BoundField DataField="sex" HeaderText="性别" SortExpression="sex" />


</Columns>


<PagerSettings FirstPageText="首页" LastPageText="末页" Mode="NextPreviousFirstLast"


NextPageText="下一页" PreviousPageText="上一页" />


</asp:GridView>


<asp:AccessDataSource ID="AccessDataSource2" runat="server" DataFile="~/App_Data/test.mdb"


SelectCommand="SELECT [id], [name], [sex], [deptid] FROM [employees] WHERE ([deptid] = ?)">


<SelectParameters>


<asp:Parameter Name="deptid" Type="Int32" />


</SelectParameters>


</asp:AccessDataSource><br>


</ItemTemplate>


</asp:TemplateField>





</Columns>


<PagerSettings FirstPageText="首页" LastPageText="末页"


NextPageText="下一页" PreviousPageText="上一页" />


</asp:GridView>


<asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="~/App_Data/test.mdb"


SelectCommand="SELECT [deptid], [deptname], [deptremark], [createdate] FROM [departments]">


</asp:AccessDataSource>





</div>


</form>


</body>


</html>



1

using System;
2

using System.Data;
3

using System.Configuration;
4

using System.Collections;
5

using System.Web;
6

using System.Web.Security;
7

using System.Web.UI;
8

using System.Web.UI.WebControls;
9

using System.Web.UI.WebControls.WebParts;
10

using System.Web.UI.HtmlControls;
11


12

public partial class GridSamples_GridView_GirdView : System.Web.UI.Page
13





{
14

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
15





{
16

if (e.Row.RowIndex > -1)
17





{
18

AccessDataSource accessDS = e.Row.FindControl("AccessDataSource2") as AccessDataSource;
19

accessDS.SelectParameters["deptid"].DefaultValue = e.Row.Cells[0].Text;
20

}
21

}
22

}

只需要上面几行简单的代码便可以实现。
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