ASP.NET（C#） Repeater分页的实现

数据库连接代码：
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;
using System.Data.Sql;

public partial class _Default : System.Web.UI.Page
{
    private void con()
    {
           SqlConnection con = new SqlConnection("server='.';database=test;uid=sa;pwd=123456;");
        SqlConnection conn = new SqlConnection();
        DataSet ds = new DataSet();
        SqlDataAdapter sda = new SqlDataAdapter("select * from news", con);
        sda.Fill(ds, "newsTitle");
        //SqlDataAdapter sda2 = new SqlDataAdapter("select * from ProspectiveBuyer", con);
        // sda2.Fill(ds, "title");
        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables["name"].DefaultView;
        //PagedDataSource aa = new PagedDataSource();
        pds.AllowPaging = true;//允许分页
        pds.PageSize = 8;//单页显示项数
        int CurPage;
        if (Request.QueryString["Page"] != null)
            CurPage = Convert.ToInt32(Request.QueryString["Page"]);
        else
            CurPage = 1;
        pds.CurrentPageIndex = CurPage - 1;
        int Count = pds.PageCount;

        lblCurrentPage.Text = "当前页：" + CurPage.ToString();
        labPage.Text = Count.ToString();

        if (!pds.IsFirstPage)
        {
            this.first.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=1";
            this.last.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(Count - 1); ;
            up.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage - 1);
        }
        else
        {
            this.first.Visible = false ;
            this.last.Visible = false ;

        }

        if (!pds.IsLastPage)
        {

            next.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage + 1);
        }
        else
        {
            this.first.Visible = false;
            this.last.Visible = false;

        }

        Repeater1.DataSource = pds ;
        Repeater1.DataBind();

    }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            con();
            this.first.Visible = true;
            this.last.Visible = true;
            //this.Repeater1.DataSource = pds();
            //this.Repeater1.DataBind();

        }

    }
}

aspx文件代码：
<table>
    <tr ><td class="style1" align ="left" >hehe</td></tr>
   
    <tr ><td class="style1">  
       <asp:Repeater ID="Repeater1" runat="server" >
       
        <HeaderTemplate ><table><tr><td>头模板</td></tr></HeaderTemplate>
        <ItemTemplate ><tr><td ><font color="red" > <%#("timekey")%></font></td></tr></ItemTemplate>
        <AlternatingItemTemplate ><tr><td > <a href ='Default.aspx?id=<%#"databaselogid" %>'><%#("SalesAmountQuota")%></a></td></tr></AlternatingItemTemplate>
        <FooterTemplate ><tr><td>尾模板</td></tr></table></FooterTemplate>
        </asp:Repeater>
        </td> </tr>
   
   
<tr> <td class="style1">
     <asp:HyperLink ID="first" runat="server">首页</asp:HyperLink>
     <asp:HyperLink ID="next" runat="server">下一页</asp:HyperLink>
     <asp:HyperLink ID="up" runat="server">上一页</asp:HyperLink>
     <asp:HyperLink ID="last" runat="server">末页</asp:HyperLink>
     </td></tr>
           
           <tr> <td class="style1">当前页为：<asp:Label ID="lblCurrentPage" runat="server"
                    Text="Label"></asp:Label>&nbsp;
                共<asp:Label ID="labPage" runat="server" Text="Label"></asp:Label>
                页</td><td class="style1" style="height: 21px">
     <asp:HyperLink ID="first" runat="server">首页</asp:HyperLink>
  
     <asp:HyperLink ID="up" runat="server">上一页</asp:HyperLink>
       <asp:HyperLink ID="next" runat="server">下一页</asp:HyperLink>
     <asp:HyperLink ID="last" runat="server">末页</asp:HyperLink>
     </td></tr>

            
    </table>
第二种方式：
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class databind : System.Web.UI.Page
{
  
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            num.Text = "1";
            repdatabind();
        }

    }
    public void repdatabind()
    {
        
        SqlConnection con = new SqlConnection("server='.';database=test;uid=sa;pwd=123456;");
        SqlConnection conn = new SqlConnection();
        DataSet ds = new DataSet();
        SqlDataAdapter sda = new SqlDataAdapter("select * from DimProduct", con);
        sda.Fill(ds, "name");
        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables["name"].DefaultView;
        pds.AllowPaging = true;//允许分页
        pds.PageSize = 8;//单页显示项数

        int curpage = Convert.ToInt32(num.Text);
        this.BtnDown.Enabled = true;
        this.BtnUp.Enabled = true;
        pds.CurrentPageIndex = curpage - 1;
        if (curpage == 1)
        {
            this.BtnUp.Enabled = false;
        }
        if (curpage == pds.PageCount)
        {
            this.BtnDown.Enabled = false;
        }
        this.Repeater1.DataSource = pds;
        this.Repeater1.DataBind();
    }

    protected void BtnUp_Click(object sender, EventArgs e)
    {
        this.num.Text =Convert.ToString ( Convert.ToInt32(num.Text)- 1) ;
        repdatabind();
    }
    protected void BtnDown_Click(object sender, EventArgs e)
    {
        this.num.Text = Convert.ToString(Convert.ToInt32(num.Text)+ 1) ;
        repdatabind();
    }
}
aspx代码：
<%@ Page Language="C#" CodeFile="databind.aspx.cs" Inherits="databind" %>

<!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>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
        <asp:Panel ID="Panel1" runat="server" Height="173px">
            <asp:Repeater ID="Repeater1" runat="server"><HeaderTemplate ><table border onmousedown="1" ><tr><td >头模板</td></tr></HeaderTemplate><ItemTemplate ><tr><td>序号：<%# ("ProductKey") %></td></tr><tr><td>编码：<%# ("ProductAlternateKey") %></td></tr></ItemTemplate><FooterTemplate ><tr><td>脚模板</td></tr></table></FooterTemplate>
            </asp:Repeater>
            当前页：<asp:Label ID="num" runat="server"></asp:Label>
            <br />
            <asp:Button ID="BtnUp" runat="server" onclick="BtnUp_Click" Text="上一页" />
            <asp:Button ID="BtnDown" runat="server" onclick="BtnDown_Click" Text="下一页" />
        </asp:Panel>
        <br />
        <br />
   
    </div>
    </form>
</body>
</html>