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  • 利用GridView显示主细表并一次编辑明细表所有数据的例子 !!【转自孟子e章】

    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=" 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=" 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();
      }
    }
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  • 原文地址:https://www.cnblogs.com/Fooo/p/596762.html
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