Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteTimeslot(Timeslot instance);
 partial void UpdateTimeslot(Timeslot instance);
		private void detach_Timeslots(Timeslot entity)
		{
			this.SendPropertyChanging();
			entity.Event = null;
		}
 partial void InsertTimeslot(Timeslot instance);
		private void attach_Timeslots(Timeslot entity)
		{
			this.SendPropertyChanging();
			entity.Event = this;
		}