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例子中使用的数据库来自《ASP.NET 2.0 应用开发技术》一书。换成其它数据库也类似,看懂代码,怎么换就无妨了。

全部代码如下: 

ASPX:

<%@ Page Language="C#" ValidateRequest="false" AutoEventWireup="true" EnableViewState="false"
  CodeFile
="Default2.aspx.cs" Inherits="Default2" %>

<!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 id="Head1" runat="server">
  
<title>利用GridView显示主细表并一次编辑明细表所有数据的例子</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="780px"
      BorderWidth
="1" OnRowDataBound="MasterGridView_RowDataBound" DataKeyNames="id"
      ShowHeader
="false">
      
<Columns>
        
<asp:TemplateField>
          
<ItemTemplate>
            
<div style="width: 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"
                HorizontalAlign
="left" DataKeyNames="id" OnRowCommand="DetailGridView_RowCommand"
                OnRowDeleting
="DetailGridView_RowDeleting" Width="720px">
                
<HeaderStyle BackColor="#9999FF" />
                
<Columns>
                  
<asp:TemplateField HeaderText="文章名称" HeaderStyle-Width="540px">
                    
<ItemTemplate>
                      
<input name="guid" value="<%#Eval("id") %>" type="hidden" />
                      
<input name="Title<%#Eval("id") %>" value="<%#Eval("Title"%>" style="width: 100%;border:1px solid gray" />
                    
</ItemTemplate>
                  
</asp:TemplateField>
                  
<asp:TemplateField HeaderText="发布日期" HeaderStyle-Width="100px" ItemStyle-HorizontalAlign="Center">
                    
<ItemTemplate>
                      
<input name="Date<%#Eval("id") %>" value="<%# ((DateTime)Eval("CreateDate")).ToString("yyyy-MM-dd"%>" style="border:1px solid gray"/>
                    
</ItemTemplate>
                  
</asp:TemplateField>
                
</Columns>
              
</asp:GridView>
            
</div>
          
</ItemTemplate>
        
</asp:TemplateField>
      
</Columns>
    
</asp:GridView>
    
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="编辑所有数据" />
  
</form>
</body>
</html>

C#:

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.Data.OleDb;
using System.Web.UI.HtmlControls;

public partial class Default2 : 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();
      }
    }
  }

  
protected void DetailGridView_RowDeleting( object sender, GridViewDeleteEventArgs e )
  {
    GridView a 
= (GridView)sender;
    Response.Write(
"您要删除的记录是:<font color='red'>" + a.DataKeys[e.RowIndex].Value.ToString() + "</font>&nbsp;&nbsp;&nbsp;&nbsp;TODO:执行删除动作");
    
// TODO:执行删除动作
  }
  
protected void DetailGridView_RowCommand( object sender, GridViewCommandEventArgs e )
  {

  }
  
protected void Button1_Click( object sender, EventArgs e )
  {
    
string Guids = Request.Form["guid"];
    
if (Guids == null || Guids.Equals(string.Empty))
    {
      Response.Write(
"没有数据可以修改。");
      
return;
    }
    
string sql;
    OleDbCommand cmd;
    OleDbConnection cn 
= new OleDbConnection();
    cn.ConnectionString 
= ConnectionString;
    cn.Open();
    
string[] ArrGuid = Guids.Split(',');
    
for (int i = 0 ; i < ArrGuid.Length ; i++)
    {
      sql 
= "UPDATE Document Set Title = @Title,CreateDate = @CreateDate Where id = @id";
      cmd 
= new OleDbCommand(sql, cn);
      cmd.Parameters.AddWithValue(
"@Title",Request.Form["Title" + ArrGuid[i].Trim()]);
      cmd.Parameters.AddWithValue(
"@CreateDate", Request.Form["Date" + ArrGuid[i].Trim()]);
      cmd.Parameters.AddWithValue(
"@id",ArrGuid[i].Trim());
      cmd.ExecuteNonQuery();
      Response.Write(
"<li>更新:id= " + ArrGuid[i] +  " "+ Request.Form["Title" + ArrGuid[i].Trim()]);      
    }
    cn.Close();
    cn.Dispose();
  }
}