title: How to get selected row index in devexpress gridcontrol?
body: <p>I have devexpress gridcontrol which looks like that:
  <a href="https://i.stack.imgur.com/RRSLw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RRSLw.png" alt="enter image description here"></a></p>
  
  <p>I have click event on this red X button:</p>
  
  <pre><code>private void delete_button_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
  {
  
  }
  </code></pre>
  
  <p>How can get there row index where this button is ? </p>