GridView模版列嵌套GirdView显示主从表数据

// 前台代码
/**/ /*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 >
后台代码：
  using  System;
  using  System.Data;
  using  System.Configuration;
  using  System.Collections;
  using  System.Web;
  using  System.Web.Security;
  using  System.Web.UI;
  using  System.Web.UI.WebControls;
  using  System.Web.UI.WebControls.WebParts;
  using  System.Web.UI.HtmlControls;

  public  partial  class
 GridSamples_GridView_GirdView :System.Web.UI.Pa
{
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
       if (e.Row.RowIndex > -1)
       {
           AccessDataSource accessDS = .Row.FindControl("AccessDataSource2") as AccessDataSource;
           accessDS.SelectParameters["deptid"].DefaultValue = e.Row.Cells[0].Text;
      }
   }
}