title: how to get which button is click on datawindow
body: <p>can any one please help me how to know which button is click on data-window&amp; what is the button  clicked row number. I have created a data window which fetch the emp data from the table. I have added two button on data-window one is update &amp; second is delete.</p>
  
  <p>data window looks like:-</p>
  
  <p>A B C [del][update]</p>
  
  <p>q w e [del][update]</p>
  
  <p>r t y [del][update]</p>
  
  <p> &amp;  is two button data-window</p>
  
  <p>I want as user click on del button row will deleted from dw as well as table. &amp; as click on update button data will be update on Dw as well as in table.</p>
  
  <p>thanks</p>