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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。
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  • 原文地址:https://www.cnblogs.com/Fooo/p/587788.html
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