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GridView模版列嵌套GirdView顯示主從表數(shù)據(jù) - №.零零伍 - 博客園

 素行 2007-03-17
當需要在一個列表中顯示主從表（例如部門-人員的信息），在asp.net1.1中我們可能會使用DataGrid模版列嵌套DataGrid的方法實現(xiàn)，然而，處理模版列里的DataGrid的翻頁、排序、編輯等功能時都比較麻煩。在asp.net2.0中，配合DataSource控件的使用讓這個問題變得非常簡單！
 
<%@ 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./TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www./1999/xhtml" >
<head runat="server">
    <title>無標題頁</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="部門編號" InsertVisible="False" ReadOnly="True"
                    SortExpression="deptid" />
                <asp:BoundField DataField="deptname" HeaderText="部門名稱" SortExpression="deptname" />
                <asp:BoundField DataField="deptremark" HeaderText="備注" SortExpression="deptremark" />
                <asp:TemplateField HeaderText="人員信息">
                    <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="人員編號" InsertVisible="False" ReadOnly="True"
                                    SortExpression="id" />
                                <asp:BoundField DataField="name" HeaderText="姓名" SortExpression="name" />
                                <asp:BoundField DataField="sex" HeaderText="性別" SortExpression="sex" />
                            </Columns>
                            <PagerSettings FirstPageText="首頁" LastPageText="末頁" Mode="NextPreviousFirstLast"
                NextPageText="下一頁" PreviousPageText="上一頁" />
                        </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="首頁" LastPageText="末頁"
                NextPageText="下一頁" PreviousPageText="上一頁" />
        </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>
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11
12public 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}

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