一个功能齐全的DataGrid分页例子

 
 
DataGridPaging.aspx.cs
<!--StartFragment-->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
}
}

                                              -------------出自孟宪先生