Linq to sharepont 分页

  <asp:Repeater ID="rpt_PartActivity" runat="server">
      <ItemTemplate>  
           <%#Eval("ID")%>
           <%# Eval("标题")%>   
           <%# Eval("创建日期") %>                                                                              
　　　 </ItemTemplate>
   </asp:Repeater>
                  
 <webdiyer:AspNetPager CssClass="pages" CurrentPageButtonClass="cpb"  ID="AspNetPager1" runat="server"
         FirstPageText="首页" LastPageText="尾页"  onpagechanged="AspNetPager1_PageChanged" NextPageText="下一页" PrevPageText="上一页">
 </webdiyer:AspNetPager>
                

 public const int PageSize = 10;
 protected void Page_Load(object sender, EventArgs e)
  {
    if (!Page.IsPostBack)
    {
      BindData(PageSize, 1);
    }
  }
      public void BindData(int pagesize, int pageindex)
       {
          var result=from f in siteData.共青团_团建活动
                     where f.团建类型 == t
                       select new
                       {
                         ID = f.Id,
                         标题 = f.标题,
                         创建日期 = f.创建日期
                       };
            AspNetPager1.PageSize = PageSize;
            var PartyList = result.Skip((pageindex - 1) * PageSize).Take(PageSize);
            AspNetPager1.RecordCount = result.Count();
            rpt_PartActivity.DataSource = PartyList;
            rpt_PartActivity.DataBind();
        }
        protected void AspNetPager1_PageChanged(object sender, EventArgs e)
        {
            BindData(PageSize, AspNetPager1.CurrentPageIndex);
        }