利用客户端脚本的优势，我们可以创建出可以拖动列，改变列宽度，显示、隐藏列的XP风格的 DataGrid，下面就是所有的代码。自己调试时请注意修改eMeng.Exam.UltraGrid路径。
查看例子
UltraGrid.aspx
<%@ Page language="c#" Codebehind="UltraGrid.aspx.cs" AutoEventWireup="false"
Inherits="eMeng.Exam.UltraGrid.UltraGrid" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>XP 风格的可拖动列、可排序、可改变宽度的DataGrid的例子</title>
<META http-equiv="content-type" content="text/html; charset=gb2312">
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<link rel="stylesheet" type="text/css" href="UltraGrid.css">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="DragableXpStyleTable" method="post" runat="server">
<div align="center" style="PADDING:5px">
<b> XP 风格的可拖动列、可排序、可改变宽度的DataGrid的例子。</b>
</div>
<div id="coolUltraGrid1" runat="server">
<div class="gridHead">
<div class="gridRow" id="gridRow" runat="server"></div>
</div>
<asp:Literal id="RowItem" runat="server"></asp:Literal>
</div>
</form>
</body>
</HTML>
UltraGrid.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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 eMeng.Exam.UltraGrid
{
/// <summary>
/// UltraGrid 的摘要说明。本例子演示了如何创建可排序、可拖放、可调整宽度的XP风格的DataGrid。
/// 出自：【孟宪会之精彩世界】
/// </summary>
public class UltraGrid : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlGenericControl gridRow;
protected System.Web.UI.WebControls.Literal RowItem;
protected System.Web.UI.HtmlControls.HtmlGenericControl coolUltraGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
coolUltraGrid1.Attributes.Add("class","coolUltraGrid");
coolUltraGrid1.Attributes.Add("style","WIDTH: 100%; HEIGHT: 400");
coolUltraGrid1.Attributes.Add("borderStyle","2");
coolUltraGrid1.Attributes.Add("altRowColor","oldLace");
coolUltraGrid1.Attributes.Add("selectionStyle","1");
/// 请根据你的数据库的设置，修改这里的数据库连接字符串和查询语句。其它不要修改。
OleDbConnection cn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:""xxx.mdb");
cn.Open();
string sqlstring = "SELECT TOP 30 D.Title As 文档标题,D.CreateDate as 发布时间,S.Title AS 所属栏目 ";
sqlstring += "FROM Document D,Subject S WHERE D.pid=S.id ORDER BY D.CreateDate DESC";
OleDbCommand cmd = new OleDbCommand(sqlstring,cn);
OleDbDataReader dr;
dr=cmd.ExecuteReader(CommandBehavior.CloseConnection);
///
///组合表头
///
int FieldNumber = dr.FieldCount;
int ColWidth,Tmp = 0;
if(FieldNumber == 0)
Response.End();
ColWidth = (int)100/FieldNumber;
string TableHeader = "";
for(int i=0;i<FieldNumber;i++)
{
if(dr.Read())
{
if(i==FieldNumber-1)
TableHeader +="<span width='"+(100-Tmp).ToString()+"%'>"+dr.GetName(i).ToString()+"</span>";
else
TableHeader +="<span width='"+ColWidth.ToString()+"%'>"+dr.GetName(i).ToString()+"</span>";
Tmp+=ColWidth;
}
}
gridRow.InnerHtml=TableHeader;
int RowNumber = 1;
TableHeader = "<div class='gridBody'>";
while(dr.Read())
{
TableHeader += "<div class='gridRow' id='row"+RowNumber.ToString()+"'>";
for(int i=0;i<FieldNumber;i++)
{
TableHeader +="<span>"+dr.GetValue(i).ToString()+"</span>";
}
TableHeader += "</div>";
RowNumber++;
}
TableHeader += "</div>";
RowItem.Text=TableHeader;
cn.Close();
}
#region Web Form Designer generated code
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.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
查看例子
UltraGrid.aspx
<%@ Page language="c#" Codebehind="UltraGrid.aspx.cs" AutoEventWireup="false"
Inherits="eMeng.Exam.UltraGrid.UltraGrid" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>XP 风格的可拖动列、可排序、可改变宽度的DataGrid的例子</title>
<META http-equiv="content-type" content="text/html; charset=gb2312">
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<link rel="stylesheet" type="text/css" href="UltraGrid.css">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="DragableXpStyleTable" method="post" runat="server">
<div align="center" style="PADDING:5px">
<b> XP 风格的可拖动列、可排序、可改变宽度的DataGrid的例子。</b>
</div>
<div id="coolUltraGrid1" runat="server">
<div class="gridHead">
<div class="gridRow" id="gridRow" runat="server"></div>
</div>
<asp:Literal id="RowItem" runat="server"></asp:Literal>
</div>
</form>
</body>
</HTML>
UltraGrid.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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 eMeng.Exam.UltraGrid
{
/// <summary>
/// UltraGrid 的摘要说明。本例子演示了如何创建可排序、可拖放、可调整宽度的XP风格的DataGrid。
/// 出自：【孟宪会之精彩世界】
/// </summary>
public class UltraGrid : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlGenericControl gridRow;
protected System.Web.UI.WebControls.Literal RowItem;
protected System.Web.UI.HtmlControls.HtmlGenericControl coolUltraGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
coolUltraGrid1.Attributes.Add("class","coolUltraGrid");
coolUltraGrid1.Attributes.Add("style","WIDTH: 100%; HEIGHT: 400");
coolUltraGrid1.Attributes.Add("borderStyle","2");
coolUltraGrid1.Attributes.Add("altRowColor","oldLace");
coolUltraGrid1.Attributes.Add("selectionStyle","1");
/// 请根据你的数据库的设置，修改这里的数据库连接字符串和查询语句。其它不要修改。
OleDbConnection cn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:""xxx.mdb");
cn.Open();
string sqlstring = "SELECT TOP 30 D.Title As 文档标题,D.CreateDate as 发布时间,S.Title AS 所属栏目 ";
sqlstring += "FROM Document D,Subject S WHERE D.pid=S.id ORDER BY D.CreateDate DESC";
OleDbCommand cmd = new OleDbCommand(sqlstring,cn);
OleDbDataReader dr;
dr=cmd.ExecuteReader(CommandBehavior.CloseConnection);
///
///组合表头
///
int FieldNumber = dr.FieldCount;
int ColWidth,Tmp = 0;
if(FieldNumber == 0)
Response.End();
ColWidth = (int)100/FieldNumber;
string TableHeader = "";
for(int i=0;i<FieldNumber;i++)
{
if(dr.Read())
{
if(i==FieldNumber-1)
TableHeader +="<span width='"+(100-Tmp).ToString()+"%'>"+dr.GetName(i).ToString()+"</span>";
else
TableHeader +="<span width='"+ColWidth.ToString()+"%'>"+dr.GetName(i).ToString()+"</span>";
Tmp+=ColWidth;
}
}
gridRow.InnerHtml=TableHeader;
int RowNumber = 1;
TableHeader = "<div class='gridBody'>";
while(dr.Read())
{
TableHeader += "<div class='gridRow' id='row"+RowNumber.ToString()+"'>";
for(int i=0;i<FieldNumber;i++)
{
TableHeader +="<span>"+dr.GetValue(i).ToString()+"</span>";
}
TableHeader += "</div>";
RowNumber++;
}
TableHeader += "</div>";
RowItem.Text=TableHeader;
cn.Close();
}
#region Web Form Designer generated code
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.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
 |
Austin Liu 刘恒辉
Project Manager and Software Designer E-Mail：lzhdim@163.com Blog：https://lzhdim.cnblogs.com 欢迎收藏和转载此博客中的博文，但是请注明出处，给笔者一个与大家交流的空间。谢谢大家。 |
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