dataGrid在頁面拖動行(在表頭,用htc文件實現)

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-- 技術教程 (http://www.webasp.net/article/)
--- dataGrid在頁面拖動行(在表頭,用htc文件實現) (http://www.webasp.net/article/18/17964.htm)
-- 作者:未知
-- 發佈日期: 2005-04-26

#region 聲明
//----------------------------------------------------------------------
//
// 修改: 李淼(Nick.Lee)
//
// dataGrid在頁面拖動行(在表頭,用htc文件實現)

// 時間:2005-04-23

// boyorgril@msn.com
// boyorgril@hotmail.com
// QQ:16503096
//注意:引用請標明修改出處,謝謝
//----------------------------------------------------------------------
#endregion


前台頁面
<%@ Page language="c#" Codebehind="WebForm5.aspx.cs" AutoEventWireup="false" Inherits="WebApplication1.WebForm5" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
 <HEAD>
  <title>WebForm5</title>
  <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">
  <LINK href="xpTable.css" type="text/css" rel="stylesheet">
 </HEAD>
 <body>
  <form id="Form1" method="post" runat="server">
   <asp:DataGrid id="DataGrid1" runat="server" Font-Size="9pt" CellPadding="4" style="BEHAVIOR:url(grid.htc)"
    BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" BackColor="White">
    <SelectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66"></SelectedItemStyle>
    <ItemStyle ForeColor="#330099" BackColor="White"></ItemStyle>
    <HeaderStyle Font-Bold="True" ForeColor="#FFFFCC" BackColor="#990000"></HeaderStyle>
    <FooterStyle ForeColor="#330099" BackColor="#FFFFCC"></FooterStyle>
    <PagerStyle HorizontalAlign="Center" ForeColor="#330099" BackColor="#FFFFCC"></PagerStyle>
   </asp:DataGrid>
  </form>
 </body>
</HTML>
後台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>
 /// WebForm5 的摘要說明。
 /// </summary>
 public class WebForm5 : 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)
  {
   // 在此處放置用戶代碼以初始化頁面
   sqlDataAdapter1.Fill(this.dataSet11);
   this.DataGrid1.DataSource=this.dataSet11.Tables[0];
   this.DataBind();
  }

  #region Web 窗體設計器生成的代碼
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
  /// <summary>
  /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
  /// 此方法的內容。
  /// </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 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.Load += new System.EventHandler(this.Page_Load);
   ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();

  }
  #endregion
 }
}

grid.htc文件:
/**
 * <p>Title: dataGrid在頁面拖動行(在表頭,用htc文件實現)</p>
 * <p>Description: dataGrid在頁面拖動行(在表頭,用htc文件實現)</p>
 * <p>Copyright: 2005-2005 by mail_ricklee Corporation</p>
 * <p>Company: mail_ricklee Corporation</p>
 * <p>CreateTime: 2005-04-23 21:30</p>
 * <p>ModifyTime:                 </p>
 * @CreateAuthor 李淼    * @version 1.0
 * @ModifyAuthor         * @version 1.0
 */
<PUBLIC:COMPONENT>
 <PUBLIC:ATTACH EVENT="oncontentready"   ONEVENT="fnInit()"   />
 <PUBLIC:ATTACH EVENT="onclick"   ONEVENT="fnClick()"   />
 <METHOD NAME="menubarpush"/>
 <SCRIPT LANGUAGE="JScript">
  function fnInit()
    {
   for(var i=0;i<element.rows.length;i++)
   {
    var _tr = element.rows[i];
    for(var j=0;j<_tr.cells.length;j++)
    {
     if(i==0)
     {
      _tr.attachEvent("onmousedown", fnMousedown);
      _tr.attachEvent("onmousemove",fnMousemove);
      _tr.attachEvent("onmouseover",fnMouseover);
      _tr.attachEvent("onselectstart",fnCancel);
      window.document.attachEvent("onmouseup", fnMouseup);
      window.document.attachEvent("onmousemove",fnMouseMove);
     }
    }

   }
   var _line = window.document.createElement("DIV");
   _line.style.position = "absolute";
   _line.style.backgroundColor="Silver";
   _line.style.width=1;
   window.document.body.appendChild(_line);
   element.splitLine = _line;
   element.splitLine.style.display = "none";
    }
  function fnMouseover()
  {
   return;
  }
  function fnMouseMove(){
   if(!element.splitlocked) return;
   fnMousemove();  
  }
  function fnMousemove(){
   var oEl = event.srcElement;
   element.splitLine.style.left = window.event.x;
   element.splitLine.style.top = getTop(element);
   element.splitLine.style.height = element.parentElement.clientHeight;
   if(element.splitlocked) return;
   if(!IfSplitLocation(oEl)) return;
  }
  function fnClick(){
   var oEl = event.srcElement;
  }
  function fnMousedown(){
   var oEl = event.srcElement;
   if(!IfSplitLocation(oEl)) return;
   element.splitLine.style.display = "";
   element.splitlocked  = true;
   window.document.attachEvent("onselectstart",fnCancel);
  }
  function fnMouseup()
  {
   element.splitLine.style.display = "none";
   element.splitlocked  = false;
   element.document.body.style.cursor='default';
   if(element.curResizeTD == null) return;
   var otd = element.curResizeTD;
   var otdLeft = getLeft(otd);
   var otdwidth =  element.splitLine.style.pixelLeft - otdLeft
   if(otdwidth < 0) return;
   otd.style.width = otdwidth;
   window.document.detachEvent("onselectstart",fnCancel);
  }
  function IfSplitLocation(oEl)
  {
   if(oEl.tagName == "DIV")
    oEl = oEl.parentElement;
   if(oEl.tagName == "TD")
   {
    if(Math.abs(event.offsetX - oEl.clientWidth) <= 5)
    {
     element.curResizeTD = oEl;
     element.document.body.style.cursor='col-resize';
    }
    else if (Math.abs(event.offsetX) <= 5 && oEl.cellIndex>0){
     if(oEl.cellIndex>0){
      element.curResizeTD = oEl.parentElement.cells(oEl.cellIndex-1);
      element.document.body.style.cursor='col-resize';
     }
    }
    else{
     element.curResizeTD = null;
     element.document.body.style.cursor='default';
     return false;
    }
   }
   return true;
  }
  function getTop(e){
   var t=e.offsetTop;
   while(e=e.offsetParent){
    t+=e.offsetTop;
    }
   return t;
  }
  function getLeft(e){
   var l=e.offsetLeft;
   while(e=e.offsetParent){
    l+=e.offsetLeft;
    }
   return l;
  }
    function fnCancel()
    {
      window.event.returnValue = false;
   return false;
  }
   </SCRIPT>
</PUBLIC:COMPONENT>

新修改了拖動線和去掉邊框^_^


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