新手请教：datalist分页问题

我在网上找的代码，修改之后，有点错误，每页我想显示10条数据，但现在全都显示出来了，麻烦高手指点一下，谢谢！下面是代码：<%@ Page Language="C#" AutoEventWireup="true" CodeFile="a.aspx.cs" Inherits="a" %> 
<% @ Import Namespace="System.Data" %> 
<% @ Import Namespace="System.Data.OleDb" %> 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
/* 
Create By 飞刀 
http://www.aspcn.com 
2001-7-25 01:44 Support .Net Framework Beta 2 
*/ 
 Service ser = new Service();
 OleDbConnection MyConn;
        int PageSize, RecordCount, PageCount, CurrentPage;
    protected void Page_Load(object sender, EventArgs e)
    {            
        //设定PageSize 
        PageSize = 10;        //连接语句 
        //this.oC.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\"" + HttpContext.Current.Request.PhysicalApplicationPath + "\\App_Data\\" +
        //    "Data.mdb\";Persist Security Info=True";
        string MyConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\"" + HttpContext.Current.Request.PhysicalApplicationPath + "\\App_Data\\" +
             "Data.mdb\";Persist Security Info=True";
        MyConn = new OleDbConnection(MyConnString);
        MyConn.Open();        //第一次请求执行         if (!IsPostBack)
        {
            ListBind();            CurrentPage = 0;
            ViewState["PageIndex"] = 0;            //计算总共有多少记录 
            RecordCount = CalculateRecord();
            lblRecordCount.Text = RecordCount.ToString();            //计算总共有多少页 
            PageCount = RecordCount / PageSize;
            lblPageCount.Text = PageCount.ToString();
            ViewState["PageCount"] = PageCount;            //计算总共有多少条记录         }
    }
    //计算总共有多少条记录 
    public int CalculateRecord()
    {
        int intCount;
        string strCount = "select count(*) as co from 新闻表_";
        OleDbCommand MyComm = new OleDbCommand(strCount, MyConn);
        OleDbDataReader dr = MyComm.ExecuteReader();
        if (dr.Read())
        {
            intCount = Int32.Parse(dr["co"].ToString());
        }
        else
        {
            intCount = 0;
        }
        dr.Close();
        return intCount;
    }    ICollection CreateSource()
    {        int StartIndex;        //设定导入的起终地址 
        StartIndex = CurrentPage * PageSize;
        string strSel = "select * from 新闻表_";
        DataSet1 ds = new DataSet1();        OleDbDataAdapter MyAdapter = new OleDbDataAdapter(strSel, MyConn);
        MyAdapter.Fill(ds, StartIndex, PageSize, "新闻表_");        return ds.Tables["新闻表_"].DefaultView;
    }
    public void ListBind()
    {
         DataList1.DataSource = ser.Select("select * from 新闻表_ order by 更新时间 desc", "新闻表_").新闻表_.DefaultView;
         DataList1.DataBind();        lbnNextPage.Enabled = true;
        lbnPrevPage.Enabled = true;
        if (CurrentPage == (PageCount - 1)) lbnNextPage.Enabled = false;
        if (CurrentPage == 0) lbnPrevPage.Enabled = false;
        lblCurrentPage.Text = (CurrentPage + 1).ToString();    }    public void Page_OnClick(Object sender, CommandEventArgs e)
    {
        CurrentPage = (int)ViewState["PageIndex"];
        PageCount = (int)ViewState["PageCount"];        string cmd = e.CommandName;
        //判断cmd，以判定翻页方向 
        switch (cmd)
        {
            case "next":
                if (CurrentPage < (PageCount - 1)) CurrentPage++;
                break;
            case "prev":
                if (CurrentPage > 0) CurrentPage--;
                break;
        }        ViewState["PageIndex"] = CurrentPage;        ListBind();    } 
</script> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<title></title> 
</head> 
<body> 
<form id="Form2" runat="server"> 
共有<asp:Label id="lblRecordCount" ForeColor="red" runat="server" />条记录  
当前为<asp:Label id="lblCurrentPage" ForeColor="red" runat="server" />/<asp:Label id="lblPageCount" ForeColor="red" runat="server" />页&nbsp;<asp:DataList
    ID="DataList1" runat="server" Height="170px" Width="298px">
    <ItemTemplate>
        <table style="vertical-align: top; width: 472px; height: 28px;">
            <tr>
                <td colspan="1" style="width: 14px; height: 22px; text-align: left">
                    <asp:Image ID="Image3" runat="server" ImageUrl="~/Images/jiantou.gif" /></td>
                <td colspan="3" style="width: 250px; height: 22px; text-align: left">
                    &nbsp;<asp:LinkButton ID="LinkButton9" runat="server" CommandName="lb新闻题目" Font-Names="Tahoma"
                        Font-Size="8pt" ForeColor="Black" Text='<%# bind("新闻题目") %>' Width="284px"></asp:LinkButton></td>
                <td colspan="1" style="width: 131px; height: 22px; text-align: left">
                    <asp:Label ID="Label2" runat="server" Font-Names="Tahoma" Font-Size="8pt" Text='<%# bind("更新时间") %>'></asp:Label></td>
            </tr>
        </table>
    </ItemTemplate>
</asp:DataList>
<asp:LinkButton id="lbnPrevPage" Text="上一页" CommandName="prev" OnCommand="Page_OnClick" runat="server" /> 
<asp:LinkButton id="lbnNextPage" Text="下一页" CommandName="next" OnCommand="Page_OnClick" runat="server" /> 
   </form> 
</body> 
</html>