[原创]dataGrid前台修改数据,不刷新页面

类别:.NET开发 点击:0 评论:0 推荐:

#region 声明
//----------------------------------------------------------------------
//
// 修改: 李淼(Nick.Lee)
//
// dataGrid前台修改数据,不刷新页面

// 时间:2005-04-05

// [email protected]
// QQ:16503096
//注意:引用请标明修改出处,谢谢
//----------------------------------------------------------------------
#endregion

WebForm3.aspx
<%@ Page language="c#" Codebehind="WebForm3.aspx.cs" AutoEventWireup="false" Inherits="WebApplication1.WebForm3" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
 <HEAD>
  <title>WebForm3</title>
  <meta http-equiv="content-type" content="text/html;charset=gb2312">
  <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
  <meta name="CODE_LANGUAGE" Content="C#">
  <meta name="vs_defaultClientScript" content="JavaScript">
  <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
  <script language="javascript" src="./GridClick.js"></script>
 </HEAD>
 <body>
  <form id="Form1" method="post" runat="server">
   <asp:DataGrid id="DataGrid1" runat="server" BorderColor="#3366CC" BorderStyle="None" BorderWidth="1px"
    BackColor="White" CellPadding="4" Font-Size="9pt" Width="100%" HorizontalAlign="Center">
    <SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
    <ItemStyle HorizontalAlign="Center" ForeColor="#003399" BackColor="White"></ItemStyle>
    <HeaderStyle Font-Bold="True" HorizontalAlign="Center" ForeColor="#CCCCFF" BackColor="#003399"></HeaderStyle>
    <FooterStyle ForeColor="#003399" BackColor="#99CCCC"></FooterStyle>
    <PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
   </asp:DataGrid>
  </form>
 </body>
</HTML>

后台cs文件
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace WebApplication1
{
 /// <summary>
 /// WebForm3 的摘要说明。
 /// </summary>
 public class WebForm3 : System.Web.UI.Page
 {
  protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
  protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
  protected System.Data.SqlClient.SqlConnection sqlConnection1;
  protected WebApplication1.DataSet1 dataSet11;
  protected System.Web.UI.WebControls.DataGrid DataGrid1;
 
  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
   this.sqlDataAdapter1.Fill(this.dataSet11);
   this.DataGrid1.DataSource=this.dataSet11.Tables[0];
   this.DataBind();
  }

  #region Web 窗体设计器生成的代码
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {   
   this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
   this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
   this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
   this.dataSet11 = new WebApplication1.DataSet1();
   ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
   //
   // sqlDataAdapter1
   //
   this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
   this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
                           new System.Data.Common.DataTableMapping("Table", "Categories", new System.Data.Common.DataColumnMapping[] {
                                                     new System.Data.Common.DataColumnMapping("CategoryID", "CategoryID"),
                                                     new System.Data.Common.DataColumnMapping("CategoryName", "CategoryName"),
                                                     new System.Data.Common.DataColumnMapping("Description", "Description"),
                                                     new System.Data.Common.DataColumnMapping("Picture", "Picture")})});
   //
   // sqlSelectCommand1
   //
   this.sqlSelectCommand1.CommandText = "SELECT TOP 10 CategoryID, CategoryName, Description, Picture FROM Categories";
   this.sqlSelectCommand1.Connection = this.sqlConnection1;
   //
   // sqlConnection1
   //
   this.sqlConnection1.ConnectionString = "workstation id=\"STAR-NICK\";packet size=4096;user id=sa;data source=\"(local)\";pers" +
    "ist security info=False;initial catalog=Northwind;pwd=sa";
   //
   // dataSet11
   //
   this.dataSet11.DataSetName = "DataSet1";
   this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
   this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
   this.Load += new System.EventHandler(this.Page_Load);
   ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();

  }
  #endregion

  private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
  {
   if(e.Item.ItemType==ListItemType.AlternatingItem|e.Item.ItemType==ListItemType.Item)
   {
    for(int i=0;i<e.Item.Cells.Count;i++)
    {
     e.Item.Cells[i].Attributes["onClick"]="editCell(this);";
    }
   }
  }
 }
}

脚本文件:
/**
 * <p>Title: datagrid点击编辑(不刷新页面)</p>
 * <p>Description: 实现datagrid点击编辑(不刷新页面)</p>
 * <p>Copyright: 2005-2005 by mail_ricklee Corporation</p>
 * <p>Company: mail_ricklee Corporation</p>
 * <p>CreateTime: 2005-04-05 11:30</p>
 * <p>ModifyTime:                 </p>
 * @CreateAuthor 李淼    * @version 1.0
 * @ModifyAuthor         * @version 1.0
 */
function editCell (cell) {
if (document.all) {
 cell.innerHTML = '<INPUT ID="editCell" ONCLICK="event.cancelBubble = true;" ONCHANGE="setCell(this.parentElement, this.value)" ONBLUR="setCell(this.parentElement, this.value)" VALUE="' + cell.innerText + '" SIZE="' + cell.innerText.length + '">';
 document.all.editCell.focus();
 document.all.editCell.select();
 }
else if (document.getElementById) {
 cell.normalize();
 var input = document.createElement('INPUT');
 input.setAttribute('value', cell.firstChild.nodeValue);
 input.setAttribute('size', cell.firstChild.nodeValue.length);
 input.onchange = function (evt) { setCell(this.parentNode, this.value); };
 input.onclick = function (evt) {
 evt.cancelBubble = true;
 if (evt.stopPropagation)
        evt.stopPropagation();
 };
cell.replaceChild(input, cell.firstChild);
input.focus();
input.select();
}
}

function setCell (cell, value) {
if (document.all)
cell.innerText = value;
else if (document.getElementById)
cell.replaceChild(document.createTextNode(value), cell.firstChild);
/*
if(confirm('确认修改?')==false)
{
    location.reload();
}
else
{
if (document.all)
cell.innerText = value;
else if (document.getElementById)
cell.replaceChild(document.createTextNode(value), cell.firstChild);
}
*/
}

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