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  • GridView模版列嵌套GirdView显示主从表数据

    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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