ASP.NET Repeater 分页显示

<div style="overflow: hidden; padding-bottom: 20px; text-align: center;">
                                <asp:Repeater ID="rptPaging" runat="server" OnItemCommand="rptPaging_ItemCommand">
                                    <ItemTemplate>
                                            <asp:LinkButton ID="btnPage" style="background:darkgray; border:solid 1px #666; font:8pt tahoma;" CommandName="Page" CommandArgument="<%# Container.DataItem %>" runat="server" ForeColor="White" Font-Bold="True"><%#Container.DataItem %>
                                            </asp:LinkButton>
                                   </ItemTemplate>
                                </asp:Repeater>
                           </div>

//此属性将包含当前页码
    public int PageNumber
    {
        get
        {
            if (ViewState["PageNumber"] != null)
            {
                return Convert.ToInt32(ViewState["PageNumber"]);
            }
            else
            {
                return 0;
            }
        }
        set { ViewState["PageNumber"] = value; }
    }

//绑定记录
    public void BindList()
    {
        DataTable dt = new DataTable();

        if (am.ReadMyBrowse(uiv.UserID, out dt) > 0)
        {
            if (dt != null && dt.Rows.Count > 0)
            {
        
                PagedDataSource pgitems = new PagedDataSource();
                pgitems.DataSource = dt.DefaultView;
                pgitems.AllowPaging = true;
                
                pgitems.PageSize = 20;
                pgitems.CurrentPageIndex = PageNumber;
                if (pgitems.PageCount > 1)
                {
                    rptPaging.Visible = true;
                    ArrayList pages = new ArrayList();
                    for (int i = 0; i <= pgitems.PageCount - 1; i++)
                    {
                        pages.Add((i + 1).ToString());
                    }
                    rptPaging.DataSource = pages;
                    rptPaging.DataBind();
                }
                else
                {
                    rptPaging.Visible = false;
                }
         
                repeater1.DataSource = pgitems;
                repeater1.DataBind();
                //repeater1.DataSource = dt;
                //repeater1.DataBind();
            }
            else
            {
                repeater1.DataSource = "";
                repeater1.DataBind();
                rptPaging.DataSource = "";
                rptPaging.DataBind();
            }
        }
        else
        {
            repeater1.DataSource = "";
            repeater1.DataBind();
            rptPaging.DataSource = "";
            rptPaging.DataBind();
        }
    }

protected void rptPaging_ItemCommand(object source, System.Web.UI.WebControls.RepeaterCommandEventArgs e)
{
    PageNumber = Convert.ToInt32(e.CommandArgument) - 1;
    BindRepeater();
}