title: right click context menu for datagridview
body: <p>I have a datagridview in a .NET winform app. I would like to rightclick on a row and have a menu pop up. Then i would like to select things such as copy, validate, etc</p>
  
  <p>How do i make A) a menu pop up B) find which row was right clicked. I know i could use selectedIndex but i should be able to right click without changing what is selected? right now i could use selected index but if there is a way to get the data without changing what is selected then that would be useful.</p>