ASP.NET เขียน Code แบ่งหน้าของ DataList ไม่ได้ครับช่วยดูที ด้านในมี Code

 private void ItemsGet()
        {

            string strconn = System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ToString();
            SqlConnection conn = new SqlConnection(strconn);

            SqlDataAdapter da = new SqlDataAdapter("select * from product", conn);
            DataSet ds = new DataSet();
            da.Fill(ds, "product");
            

            PagedDataSource objPds = new PagedDataSource();
            objPds.DataSource = ds.Tables["product"].DefaultView;
            objPds.AllowPaging = true;
            objPds.PageSize = 3;
            objPds.CurrentPageIndex = CurrentPage;

            lblCurrentPage.Text = "Page: " + (CurrentPage + 1).ToString() + " of " + objPds.PageCount.ToString();

            cmdPrev.Enabled = !objPds.IsFirstPage;
            cmdNext.Enabled = !objPds.IsLastPage;


            DataList1.DataSource = objPds;
            DataList1.DataBind();
        }



        public int CurrentPage
        {
            get
            {
                object o = this.ViewState["_CurrentPage"];
                if (o == null)
                    return 0; // default to showing the first page
                else
                    return (int)o;
            }

            set
            {   this.ViewState["_CurrentPage"] = value;      }

        }

        protected void cmdPrev_Click(object sender, System.EventArgs e)
        {
            CurrentPage -= 1;
            ItemsGet();

        }

        protected void cmdNext_Click(object sender, System.EventArgs e)
        {
            CurrentPage += 1;
            ItemsGet();
        }

DataList1.DataSourceID = null;
DataList1.DataSource = objPds;
DataList1.DataBind();

DataList1.DataSource = null;
DataList1.DataSource = objPds;
DataList1.DataBind();

DataList1.DataSource = objPds.Table[0];
DataList1.DataBind();