SELECT   *FROM     
(SELECT   CustomID, Name, OpenDate, BankNum, ProductID, AccountType, TelePhone, Email, Reamark, Row_Number() OVER(ORDER BY CustomID) rownum
FROM      dbo.V_Custom) t
WHERE   t .rownum > @startRowIndex AND t .rownum <= @startRowIndex + @maximumRows

SELECT COUNT(*) FROM Custom

        <asp:ObjectDataSource ID="Obscustom" runat="server" 
            OldValuesParameterFormatString="original_{0}" SelectMethod="GetPageData"  
            TypeName="XTWeb.DAL.DataSetCustomTableAdapters.CustomTableAdapter" 
             EnablePaging="True" SelectCountMethod="QueryCount" >
        </asp:ObjectDataSource>