private void detach_Employees(Employee entity)
		{
			this.SendPropertyChanging();
			entity.Person = null;
		}
		private void attach_Employees(Employee entity)
		{
			this.SendPropertyChanging();
			entity.Person = this;
		}
		private void detach_Employees(Employee entity)
		{
			this.SendPropertyChanging();
			entity.Department = null;
		}
 partial void DeleteEmployee(Employee instance);
 partial void UpdateEmployee(Employee instance);
 partial void InsertEmployee(Employee instance);