private void detach_LeaveAMessages(LeaveAMessage entity)
		{
			this.SendPropertyChanging();
			entity.Client1 = null;
		}
 partial void DeleteLeaveAMessage(LeaveAMessage instance);
 partial void InsertLeaveAMessage(LeaveAMessage instance);
 partial void UpdateLeaveAMessage(LeaveAMessage instance);
		private void attach_LeaveAMessages(LeaveAMessage entity)
		{
			this.SendPropertyChanging();
			entity.Group = this;
		}