利用GridView显示主细表并一次编辑明细表所有数据的例子

晨曦之光 发布于 2012/03/09 15:06
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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  =    ; 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();
  }
}
 
原文链接:http://blog.csdn.net/21aspnet/article/details/1534417
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