title: show buttons on iggrid based on conditions for each row
body: <p>I am showing an igGrid on my view which have edit and delete enabled on each row.</p>
  
  <p>I want to show the buttons for Edit and Delete based on records. Based on column data, some row will have both Edit and Delete button while others can have only Edit or Delete button. I want to control these buttons when grid is rendered so user dont see any button which is not applicable.</p>
  
  <p>Please guid me how to achieve this feature in igGrid and what event I should call?</p>