[development] I want to add rows dynamically

I have created a table using form api. The table has header row, I have used form api's hidden element. The table is designed to take input in similar way how form takes. I want to add rows dynamically. The row's cell are form api's texfield. The below link shows the functionality I want to do in drupal :- http://www.switchonthecode.com/tutorials/adding-dynamic-rows-to-flex-datagri... I have tried using AHAH, but I am not getting the implementation as in the link above. Please help me. -- *Pavithra M* * *