Event handler for a button

Question

i have created series of dynamic button ,but now i want particular button event when i click on a dynamic button.
first i place one hardcode button ,on click generate dynamic ADD/REMOVE button ..
again click on a Dynamic ADD/REMOVE Generate another Dynamic Button ....sa on ...
but now problem is that how would i get that which button i Click ..on click of dynamic button...??
how would know...???
 
please help................. 
  
I create TWO Dynamic button like 1.ADD
2.REMOVE
on click on ADD button another TWo Dynamic Button Created ADD/REMOVE.....as on
now my question is that when i click on a REMOVE i want to delete ADD  button of particular ROW