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GridView模版列嵌套GirdView显示主从表数据

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>
 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}

只需要上面几行简单的代码便可以实现。
posted on 2006-07-04 22:28 №.零零伍 阅读(...) 评论(...) 编辑 收藏