Popup offers many advanced features beyond simple data management. These features are listed below:

• Owner
  Specify the element which owns the popup. Owner is null for a dialog.
  
  
• ShowTrigger
  Use the ShowTrigger property to set the action that shows the popup.
  
  
• HideTrigger:
  Use the HideTrigger property to set the action that hides the popup.
  
  
• Modal
  Set the boolean value to specify whether the popup should behave as a modal dialog, with dark background and requires the user to respond before program should progress.