private void editWellWishersBtn_Click(object sender, RoutedEventArgs e)
 {
     WellWisherInfo memberToEdit = GetSelectedItem();
     if (memberToEdit != null)
     {
         WellWishers.AddWellWisherWindow AddWellWisherWindowObj = new WellWishers.AddWellWisherWindow(memberToEdit);
         AddWellWisherWindowObj.Show();
     }
 }
 private void addWellWisherBtn_Click(object sender, RoutedEventArgs e)
 {
     WellWishers.AddWellWisherWindow AddWellWisherWindowObj = new WellWishers.AddWellWisherWindow(null);
     AddWellWisherWindowObj.Show();
 }