private void Yes_Click(object sender, RoutedEventArgs e)
        {
            var     tag       = (sender as Button).Tag;
            long    commentId = (long)tag;
            Comment comment   = CommentDB.GetComment(commentId);

            foreach (Comment comm in ViewUserTask.comments)
            {
                if (comm.CommentId == commentId)
                {
                    ViewUserTask.comments.Remove(comm);
                    break;
                }
            }
            CommentDB.RemoveComment(commentId);
            RemovePopup.IsOpen = false;
        }