public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            EmailItem item = emailServer.Email[indexPath.Row];

            var alert = UIAlertController.Create(item.Subject, item.ToString(), UIAlertControllerStyle.ActionSheet);

            alert.AddAction(UIAlertAction.Create("ok", UIAlertActionStyle.Default, null));
            PresentViewController(alert, true, null);
        }
        public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            _selectedEmail = _emails [indexPath.Row];

            PerformSegue ("PresentDetails", this);
        }