private void _loadDataIntoCell (SpeakerInfoCell cell)
		{
			cell.SetSpeaker (this.Speaker);
			cell.btnTitle.SetTitle (Name, UIControlState.Normal);
			cell.txtDate.Text = TwitterName;
			cell.txtRoom.Text = DateRoom;
			cell.SetImage (ImageUrl);
			cell.SetNeedsLayout ();
		}
		public override UITableViewCell GetCell (UITableView tv)
		{
			var cell = tv.DequeueReusableCell (_cellIdentifier) as SpeakerInfoCell;
			if (cell == null) {
				cell = new SpeakerInfoCell (_cellIdentifier);
			}

			_loadDataIntoCell (cell);
			return cell;
		}