partial void DeleteMatchmedia(Matchmedia instance);
 partial void UpdateMatchmedia(Matchmedia instance);
 partial void InsertMatchmedia(Matchmedia instance);
		private void detach_Matchmedia(Matchmedia entity)
		{
			this.SendPropertyChanging();
			entity.Player = null;
		}
		private void attach_Matchmedia(Matchmedia entity)
		{
			this.SendPropertyChanging();
			entity.Player = this;
		}
		private void detach_Matchmedia(Matchmedia entity)
		{
			this.SendPropertyChanging();
			entity.MatchSession = null;
		}