利用GridView显示主细表并添加打开、关闭功能

代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewNested.aspx.cs" Inherits="Exam_GridViewNested" %>

<!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>利用GridView显示主细表并添加打开、关闭功能</title>
  <style type="text/css">
   td,div,a {font-size:12px}
  </style>

  <script type="text/javascript">
  //<![CDATA[
  function ShowHidden(sid,ev)
   {
     ev = ev || window.event;
    var target = ev.target || ev.srcElement;
    var oDiv = document.getElementById("div" + sid);
     oDiv.style.display = oDiv.style.display == "none"?"block":"none";
     target.innerHTML = oDiv.style.display == "none"?"显示":"隐藏";
   }
  //]]>
  </script>

</head>
<body>
  <form id="form1" runat="server">
    <asp:GridView ID="MasterGridView" runat="server" AutoGenerateColumns="false" Width="760px"
       BorderWidth="1" OnRowDataBound="MasterGridView_RowDataBound" DataKeyNames="id"
       ShowHeader="false">
      <Columns>
        <asp:TemplateField>
          <ItemTemplate>
            <div style=" 100%; padding: 2px; font-weight: bold; background-color: #DEDEDE;
               float: left">
              <span style="float: left">栏目名称：<%#Eval("Title") %></span><span style="float: right;
                 color: Red; cursor: pointer" onclick="ShowHidden('<%#Eval("id") %>',event)">隐藏</span></div>
            <div style="background-color: #FFF; padding-left: 60px;clear:both" id="div<%#Eval("id") %>">
              <asp:GridView ID="DetailGridView" runat="server" AutoGenerateColumns="false" ShowHeader="true"
                 Width="100%" HorizontalAlign="left">
                <HeaderStyle BackColor="#9999FF" />
                <Columns>
                  <asp:TemplateField HeaderText="文章名称">
                    <ItemTemplate>
                      <a href="/article/<%#Eval("objectGuid") %>/read.aspx">
                        <%#Eval("Title") %>
                      </a>[<%# Eval("HitCount") %>]
                    </ItemTemplate>
                  </asp:TemplateField>
                  <asp:BoundField HeaderText="发布日期" DataField="CreateDate" HtmlEncode="false" DataFormatString="{0:yyyy年MM月dd日}"
                     ItemStyle-Width="100px" ItemStyle-HorizontalAlign="Center" />
                </Columns>
              </asp:GridView>
            </div>
          </ItemTemplate>
        </asp:TemplateField>
      </Columns>
    </asp:GridView>
  </form>
</body>
</html>

C#：

using System;
using System.Data;
using System.Data.OleDb;
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.HtmlControls;

public partial class Exam_GridViewNested : System.Web.UI.Page
{
  string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|aspxWeb.mdb;Persist Security Info=True";
   OleDbConnection cn1;

  protected void Page_Load(object sender, EventArgs e)
   {
    if (!Page.IsPostBack)
     {
       OleDbConnection cn = new OleDbConnection(ConnectionString);
       cn.Open();
       cn1 = new OleDbConnection(ConnectionString);
       cn1.Open();
       OleDbCommand cmd = new OleDbCommand("select * from [Subject]", cn);
       OleDbDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
       MasterGridView.DataSource = dr;
       MasterGridView.DataBind();
       dr.Close();
       cmd.Dispose();
       cn.Dispose();
       cn1.Dispose();
       cn = cn1 = null;
     }
   }
  protected void MasterGridView_RowDataBound(object sender, GridViewRowEventArgs e)
   {
    if (e.Row.RowType == DataControlRowType.DataRow)
     {

      GridView oGridView = (GridView)e.Row.FindControl("DetailGridView");
     if (oGridView != null)
      {
        OleDbCommand cmd = new OleDbCommand("select top 10 * from Document Where pid = " + MasterGridView.DataKeys[e.Row.RowIndex].Value, cn1);
        OleDbDataReader dr1 = cmd.ExecuteReader();
        oGridView.DataSource = dr1;
        oGridView.DataBind();
        dr1.Close();
        cmd.Dispose();
      }
     }
   }
}

VB.NET：

Private ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|aspxWeb.mdb;Persist Security Info=True"
Private cn1 As OleDbConnection

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not Page.IsPostBack Then
   Dim cn As OleDbConnection = New OleDbConnection(ConnectionString)
    cn.Open
    cn1 = New OleDbConnection(ConnectionString)
    cn1.Open
   Dim cmd As OleDbCommand = New OleDbCommand("select * from [Subject]", cn)
   Dim dr As OleDbDataReader = cmd.ExecuteReader(CommandBehavior.CloseConnection)
    MasterGridView.DataSource = dr
    MasterGridView.DataBind
    dr.Close
    cmd.Dispose
    cn.Dispose
    cn1.Dispose
    cn = cn1 = Nothing
End If
End Sub

Protected Sub MasterGridView_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
   Dim oGridView As GridView = CType(e.Row.FindControl("DetailGridView"), GridView)
   If Not (oGridView Is Nothing) Then
     Dim cmd As OleDbCommand = New OleDbCommand("select top 10 * from Document Where pid = " + MasterGridView.DataKeys(e.Row.RowIndex).Value, cn1)
     Dim dr1 As OleDbDataReader = cmd.ExecuteReader
      oGridView.DataSource = dr1
      oGridView.DataBind
      dr1.Close
      cmd.Dispose
   End If
End If
End Sub

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原文地址：https://www.cnblogs.com/yongheng178/p/1284273.html