Problem in Binding Data on Page Scroll

Hello,
I am trying to bind data when page scroll's down. For this I am using this link http://aspsnippets.com/Articles/Load-data-while-Scrolling-Page-down-with-jQuery-AJAX-and-ASPNet.aspx . It's working fine. Nut I want to convert this in my code style. I am using it for two listiiew. ListviewMain and ChildListview.  ChildListview is inside ListviewMain. I want to show 10 rowss in ChildListvie and when next 10 when user  click on see more repets till Childview have data.  On ListviewMain I want to show 15 rows and more rows when Page scroll down.  I have manipulated the code to Check databind Scroll for ListViewMain ,  but it's not working for me. After this succesfull work I will bind ChildList.view Please let me know where I have done mistake.
On PageLoad 
if (!IsP ...