using  System;
using  System.Data;
using  System.Configuration;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;
using  System.Data.SqlClient;

public   partial   class  _Default : System.Web.UI.Page 
... {
    DataTable table = new  DataTable();
    PagedDataSource PDS=new PagedDataSource();
    protected void Page_Load(object sender, EventArgs e)
    ...{

        if (!Page.IsPostBack)
        ...{
            InitData();

            
        }


    }
    //初始化数据，把数据添加到Session中，避免重复查询数据库。
    void InitData()
    ...{
        
        SqlConnection conn = new SqlConnection("Data Source=Localhost;Initial Catalog=Northwind;User ID=sa");
        SqlCommand cmm = new SqlCommand("SELECT [CustomerID], [CompanyName] FROM [Customers]");
        cmm.Connection = conn;
        SqlDataAdapter DA = new SqlDataAdapter();
        DA.SelectCommand = cmm;
        DataSet DS = new DataSet();
        DA.Fill(DS);
        table = DS.Tables[0];
        if (Session["data"] != null)
        ...{
            Session["data"] =table;
            
        }
        else
        ...{
            Session.Add("data",table);
        }
      
    
         Pagging(0);
    }
    //实现分页功能
    protected void Pagging(int index)
    ...{
        PDS.DataSource =((DataTable)Session["data"]).DefaultView;
        PDS.CurrentPageIndex = index;
        PDS.AllowPaging = true;
        PDS.PageSize = 20;
        this.Repeater2.DataSource = PDS;
        this.Repeater2.DataBind();


        DropDownList ddl = (DropDownList)this.Repeater2.Controls[this.Repeater2.Controls.Count - 1].FindControl("PageCount");
        if (ddl != null)
        ...{
            for (int i = 1; i < PDS.PageCount; i++)
            ...{
                ddl.Items.Add(i.ToString());
            }
        }
    
    }
 

    public void PageIndex(object sender, EventArgs e)
    ...{
        DropDownList ddl = (DropDownList)this.Repeater2.Controls[this.Repeater2.Controls.Count - 1].FindControl("PageCount");
        Pagging(int.Parse(ddl.SelectedItem.Text)-1);

    }

}

<% ... @ Page Language="C#" AutoEventWireup="true"  CodeFile="RepeaterPagging.aspx.cs" Inherits="_Default"  %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >

< html  xmlns ="http://www.w3.org/1999/xhtml"   >
< head  runat ="server" >
     < title > Repeater分页示例 </ title >
    

       
  
</ head >
< body >
     < form  id ="form1"  runat ="server" >
     < div >
         &nbsp;   &nbsp;
         < asp:Repeater  ID ="Repeater2"  runat ="server" >
         < HeaderTemplate  >
      < div   style ="width:100%; height:20; color:Green; background-color:Gray;" > Repeater分页示例 </ div >
         </ HeaderTemplate >
        < ItemTemplate >
        < table >
        < tr >
        < td > 客户ID:
        < label  id ="id" > <% ... # DataBinder.Eval(Container.DataItem,"CustomerID") %> </ label >
       
        </ td >
        < td > 公司名称：
         < label  id ="Name" > <% ... # DataBinder.Eval(Container.DataItem,"CompanyName") %> </ label >
        </ td >
        </ tr >
        </ table >
       
        </ ItemTemplate >
       
        < FooterTemplate    >
        请选择页数
         < asp:DropDownList   ID ="PageCount"  AutoPostBack ="true"  OnTextChanged ="PageIndex"  runat ="server" ></ asp:DropDownList >
        </ FooterTemplate >
         </ asp:Repeater >
         &nbsp;   &nbsp;
     </ div >
     </ form >
</ body >
</ html >