当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > 一个功能齐全的DataGrid分页例子

ASP.NET
DVNEWS 3.2 1013版免虚拟目录的安装方法，只要三个步骤
DataRow的序列化问题
VB.net基础:使用UDP发送和接收消息
采用HttpModules来重写URLs（实践篇）
要用到事务了
DataGrid中单元格的比较
动态引用WebService,建立WebService虚拟机
[初学VB.NET]数据绑定
使用ASP调用WebService时不能以Name为数据库中的字段
在VB.NET里操作文本文件
web下打印的办法
怎样把SQL_SERVER数据库里的（类型是image)图片显示在aspx页面里的image控件里
C#中字符串的加密
中小企业信息应用的利器：DAP-Dynamic Applications Platform
数据库系统概论学习笔记
体会到译者的艰辛，也发现了他们犯的错误
IISManager V1.1 是一个在线管理IIS，维护站点组件，安全稳定，最重要的是完全免费。
VS FlexGridPro 8.0如何在window98运行---有没有升级版本，急请高手指点
给立方体添加纹理
Wrox的C#高级编程第三版第一部分第一章（1~9页）

No. « 125 126 127 128 »

技术文章搜索

关键字

ASP.NET 中的 一个功能齐全的DataGrid分页例子

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-08-14   浏览: 146 ::
收藏到网摘: n/a

 

以下为引用的内容：

C#版本

DataGridPaging.aspx

<%@ Page language="c#" EnableViewState = "true" Codebehind="DataGridPaging.aspx.cs"
AutoEventWireup="false" Inherits="eMeng.Exam.DataGridPaging.DataGridPaging" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<meta content="Visual Basic 7.0" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" runat="server">
<asp:datagrid id="MyDataGrid" runat="server" AutoGenerateColumns="False"
HorizontalAlign="Center" AlternatingItemStyle-BackColor="#eeeeee"
HeaderStyle-BackColor="#aaaadd" Font-Size="8pt" Font-Name="Verdana"
CellSpacing="0" CellPadding="3" GridLines="Both" BorderWidth="1"
BorderColor="black" OnPageIndexChanged="MyDataGrid_Page" PagerStyle-HorizontalAlign="Right"
PagerStyle-Mode="NumericPages" PageSize="5" AllowPaging="True">
　<AlternatingItemStyle BackColor="#EEEEEE"></AlternatingItemStyle>
　<HeaderStyle BackColor="#AAAADD" Font-Bold="True" HorizontalAlign="Center"></HeaderStyle>
　<PagerStyle HorizontalAlign="Right" Mode="NumericPages"></PagerStyle>
　<Columns>
　<asp:BoundColumn HeaderText="标题" DataField="Title" HeaderStyle-Width="480px">
　</asp:BoundColumn>
　<asp:BoundColumn HeaderText="发表日期" DataField="CreateDate" DataFormatString="{0:yyyy-MM-dd hh:mm:ss}">
　</asp:BoundColumn>
　</Columns>
</asp:datagrid>
<p style="FONT-SIZE:9pt" align="center">
　<asp:label id="lblPageCount" runat="server"></asp:label>&nbsp;
　<asp:label id="lblCurrentIndex" runat="server"></asp:label>
　<asp:linkbutton id="btnFirst" onclick="PagerButtonClick" runat="server" Font-Name="verdana"
　 Font-size="8pt" ForeColor="navy" CommandArgument="0"></asp:linkbutton>&nbsp;
　<asp:linkbutton id="btnPrev" onclick="PagerButtonClick" runat="server" Font-Name="verdana"
　 Font-size="8pt" ForeColor="navy" CommandArgument="prev"></asp:linkbutton>&nbsp;
　<asp:linkbutton id="btnNext" onclick="PagerButtonClick" runat="server" Font-Name="verdana"
　 Font-size="8pt" ForeColor="navy" CommandArgument="next"></asp:linkbutton>&nbsp;
　<asp:linkbutton id="btnLast" onclick="PagerButtonClick" runat="server" Font-Name="verdana"
　 Font-size="8pt" ForeColor="navy" CommandArgument="last"></asp:linkbutton>
</p>
</form>
</body>
</HTML>

DataGridPaging.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.DataGridPaging
{
/// <summary>
/// DataGridPaging 的摘要说明。
/// </summary>
public class DataGridPaging : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid MyDataGrid;
protected System.Web.UI.WebControls.Label lblPageCount;
protected System.Web.UI.WebControls.Label lblCurrentIndex;
protected System.Web.UI.WebControls.LinkButton btnFirst;
protected System.Web.UI.WebControls.LinkButton btnPrev;
protected System.Web.UI.WebControls.LinkButton btnNext;
protected System.Web.UI.WebControls.LinkButton btnLast;
private OleDbConnection cn = new OleDbConnection();

private void Page_Load(object sender, System.EventArgs e)
{
　// 在此处放置用户代码以初始化页面
　btnFirst.Text = "最首页";
　btnPrev.Text = "前一页";
　btnNext.Text = "下一页";
　btnLast.Text = "最后页";
　OpenDatabase();
　BindGrid();
}
private void OpenDatabase()
{
cn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("xxxx.mdb");
cn.Open();
}
private void ShowStats()
{
lblCurrentIndex.Text = "第 " + (MyDataGrid.CurrentPageIndex + 1).ToString() + " 页";
lblPageCount.Text = "总共 " + MyDataGrid.PageCount.ToString() + " 页";
}

public void PagerButtonClick(object sender, EventArgs e)
{
string arg = ((LinkButton)sender).CommandArgument.ToString();
switch(arg)
{
　case "next":
　 if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))
　 {
　　MyDataGrid.CurrentPageIndex += 1;
　 }
　 break;
　case "prev":
　 if (MyDataGrid.CurrentPageIndex > 0)
　 {
　　MyDataGrid.CurrentPageIndex -= 1;
　 }
　 break;
　case "last":
　 MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);
　 break;
　default:
　 MyDataGrid.CurrentPageIndex = System.Convert.ToInt32(arg);
　 break;
}
BindGrid();
ShowStats();
}
public void BindGrid()
{
OleDbConnection myConnection = cn;
DataSet ds　= new DataSet();
OleDbDataAdapter adapter　= new OleDbDataAdapter("Select Title,CreateDate from Document", myConnection);
adapter.Fill(ds, "Document");
MyDataGrid.DataSource = ds.Tables["Document"].DefaultView;
MyDataGrid.DataBind();
ShowStats();
}
public void MyDataGrid_Page(object sender, DataGridPageChangedEventArgs e)
{
int startIndex ;
startIndex = MyDataGrid.CurrentPageIndex * MyDataGrid.PageSize;
MyDataGrid.CurrentPageIndex = e.NewPageIndex;
BindGrid();
ShowStats();
}

#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
}
}


VB.NET版本

DataGridPaging.aspx

<%@ Page Language="vb" AutoEventWireup="false" Codebehind="DataGridPaging.aspx.vb" Inherits="DataGridPaging"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
　<HEAD>
　　<meta content="Visual Basic 7.0" name="CODE_LANGUAGE">
　　<meta content="JavaScript" name="vs_defaultClientScript">
　　<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
　</HEAD>
　<body MS_POSITIONING="GridLayout">
　　<form id="Form1" runat="server">
　　　<asp:datagrid id="MyDataGrid" runat="server" AlternatingItemStyle-BackColor="#eeeeee"
　　HeaderStyle-BackColor="#aaaadd" Font-Size="8pt" Font-Name="Verdana" CellSpacing="0"
　　 CellPadding="3" GridLines="Both" BorderWidth="1" BorderColor="black"
　 OnPageIndexChanged="MyDataGrid_Page" PagerStyle-HorizontalAlign="Right"
　　PagerStyle-Mode="NumericPages" PageSize="5" AllowPaging="True">
　　　　<AlternatingItemStyle BackColor="#EEEEEE"></AlternatingItemStyle>
　　　　<HeaderStyle BackColor="#AAAADD"></HeaderStyle>
　　　　<PagerStyle HorizontalAlign="Right" Mode="NumericPages"></PagerStyle>
　　　</asp:datagrid>
　　　<p style="font-size:9pt">
　　　　<asp:label id="lblPageCount" runat="server"></asp:label>&nbsp;
　　　　<asp:label id="lblCurrentIndex" runat="server"></asp:label>
　　　　<asp:linkbutton id="btnFirst" onclick="PagerButtonClick" runat="server"
　 Font-Name="verdana" Font-size="8pt" ForeColor="navy" CommandArgument="0">
　 </asp:linkbutton>&nbsp;
　　　　<asp:linkbutton id="btnPrev" onclick="PagerButtonClick" runat="server"
　 Font-Name="verdana" Font-size="8pt" ForeColor="navy" CommandArgument="prev">
　 </asp:linkbutton>&nbsp;
　　　　<asp:linkbutton id="btnNext" onclick="PagerButtonClick" runat="server"
　 Font-Name="verdana" Font-size="8pt" ForeColor="navy" CommandArgument="next">
　 </asp:linkbutton>&nbsp;
　　　　<asp:linkbutton id="btnLast" onclick="PagerButtonClick" runat="server"
　 Font-Name="verdana" Font-size="8pt" ForeColor="navy" CommandArgument="last">
　 </asp:linkbutton>
　　　</p>
　　</form>
　</body>
</HTML>

DataGridPaging.aspx.vb

Imports System.Data.SqlClient
Imports System.Data
Imports System.Web.UI

Public Class DataGridPaging
　Inherits System.Web.UI.Page

　Protected WithEvents MyDataGrid As System.Web.UI.WebControls.DataGrid
　Protected WithEvents btnFirst As System.Web.UI.WebControls.LinkButton
　Protected WithEvents btnPrev As System.Web.UI.WebControls.LinkButton
　Protected WithEvents btnNext As System.Web.UI.WebControls.LinkButton
　Protected WithEvents btnLast As System.Web.UI.WebControls.LinkButton
　Protected WithEvents lblCurrentIndex As System.Web.UI.WebControls.Label
　Protected WithEvents lblPageCount As System.Web.UI.WebControls.Label
　Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid

#Region " Web Form Designer Generated Code "

　'This call is required by the Web Form Designer.
　<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

　End Sub

　Private Sub Page_Init(ByVal sender As System.Object,_
　 ByVal e As System.EventArgs) Handles MyBase.Init
　　'CODEGEN: This method call is required by the Web Form Designer
　　'Do not modify it using the code editor.
　　InitializeComponent()
　End Sub

#End Region

　Private Sub Page_Load(ByVal sender As System.Object,_
　 ByVal e As System.EventArgs) Handles MyBase.Load
　　btnFirst.Text = "最首页"
　　btnPrev.Text = "前一页"
　　btnNext.Text = "下一页"
　　btnLast.Text = "最后页"
　　OpenDatabase()
　　BindGrid()
　End Sub


　Sub MyDataGrid_Page(ByVal sender As Object, ByVal e As DataGridPageChangedEventArgs)
　　Dim startIndex As Integer
　　startIndex = MyDataGrid.CurrentPageIndex * MyDataGrid.PageSize
　　MyDataGrid.CurrentPageIndex = e.NewPageIndex
　　BindGrid()
　　ShowStats()
　End Sub

　Sub BindGrid()
　　Dim myConnection As SqlConnection = cn
　　Dim ds As DataSet = New DataSet()
　　Dim adapter As SqlDataAdapter = New SqlDataAdapter("Select * from Orders", myConnection)
　　adapter.Fill(ds, "Orders")
　　MyDataGrid.DataSource = ds.Tables("Orders").DefaultView
　　MyDataGrid.DataBind()
　　ShowStats()

　End Sub

　Sub PagerButtonClick(ByVal sender As Object, ByVal e As EventArgs)
　　'used by external paging UI
　　Dim arg As String = sender.CommandArgument

　　Select Case arg
　　　Case "next"
　　　　If (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1)) Then
　　　　　MyDataGrid.CurrentPageIndex += 1
　　　　End If
　　　Case "prev"
　　　　If (MyDataGrid.CurrentPageIndex > 0) Then
　　　　　MyDataGrid.CurrentPageIndex -= 1
　　　　End If
　　　Case "last"
　　　　MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1)
　　　Case Else
　　　　'page number
　　　　MyDataGrid.CurrentPageIndex = System.Convert.ToInt32(arg)
　　End Select
　　BindGrid()
　　ShowStats()
　End Sub

　Sub ShowStats()
　　lblCurrentIndex.Text = "第 " + (MyDataGrid.CurrentPageIndex + 1).ToString() + " 页"
　　lblPageCount.Text = "总共 " + MyDataGrid.PageCount.ToString() + " 页"
　End Sub

Public cn As New SqlClient.SqlConnection()
　Public Sub OpenDatabase()
　　cn.ConnectionString = "Server=.;Database=NorthWind;User Id=sa;Password=;"
　　cn.Open()
　End Sub
End Class