asp.net翻页代码进不去，点击更多又返回到首页去了，，急
asp.net翻页代码进不去，点击更多又返回到首页去了，，急
这是更多后台代码
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 BLL;

public partial class gengduo : System.Web.UI.Page
{
  protected void Page_Load(object sender, EventArgs e)
  {
  if (Request.QueryString["id"] == null)
  {


  Response.Redirect("index.aspx");
  }
  else
  {
  News n = new News();

  string id = Request.QueryString["id"].ToString();
  n.getNewsById(id);
  Page.Title = n.newsTitle;
  bd();



  }
  }


  public void bd()
  {

  DAL.DataBase d = new DAL.DataBase();
  DataSet ds = new DataSet();
  d.runSQL("select * from news where newsID=" + Request["id"].ToString() + "order by newsID DESC", ref ds);


  PagedDataSource p = new PagedDataSource();
  p.DataSource = ds.Tables[0].DefaultView;
  p.AllowPaging = true;
  p.PageSize = 3;


  int cp = 0;
  if (Request["page"] != null)
  {
  cp = Convert.ToInt32(Request["page"]);


  }

  p.CurrentPageIndex = cp;
  if (!p.IsFirstPage)
  {

  HyperLink1.NavigateUrl = "?id=" + Request["id"].ToString() + "&page=" + (cp - 1);


  }
  if (!p.IsLastPage)
  {

  HyperLink2.NavigateUrl = "?id=" + Request["id"].ToString() + "&page=" + (cp + 1);

  }
  HyperLink3.NavigateUrl = "?id=" + Request["id"].ToString() + "&page=" + 0;
  HyperLink4.NavigateUrl = "?id=" + Request["id"].ToString() + "&page=" + (p.PageCount - 1);
  showPage.Text = "第" + (p.CurrentPageIndex + 1) + "页共" + p.PageCount + "页";

  DataList1.DataSource = p;
  DataList1.DataBind();
  d.close();

  }
}

这是更多页面
加上这句话也不行DataSourceID="SqlDataSource1"
  <asp:DataList ID="DataList1" runat="server">
   
  <HeaderTemplate><ul></HeaderTemplate>
  <ItemTemplate>
  <li>
  <asp:HyperLink ID="HyperLi" runat="server" Target="_blank" NavigateUrl='<%#Eval("newsID","shouNews.aspx?id={0}") %>' Text='<%#Eval("newsTitle").ToString().Length >17?Eval("newsTitle").ToString().Substring(0,15)+"...":Eval("newsTitle").ToString() %>'></asp:HyperLink>
  <asp:Literal ID="Literal1" runat="server" Text='<%#"<i>"+Convert.ToDateTime(Eval("newsDate")).ToString("yyyy-MM-dd") +"</i>" %>'></asp:Literal>  
  </li>