hi,
This article of Mudassir have CRUD funtions with ajax call
http://www.aspsnippets.com/Articles/Insert-Update-Data-to-Database-with-jQuery-AJAX-and-WebMethod-in-ASPNet.aspx
how to to this if button is inside the listview control for e.g
1. List view
2. button
3. Label- bind with Article Id
4. click on button get the label value and do insert in database using the method define in Mudassir Article.