partial void DeleteKeyWord(KeyWord instance);
 partial void UpdateKeyWord(KeyWord instance);
		private void detach_KeyWords(KeyWord entity)
		{
			this.SendPropertyChanging();
			entity.Vacancy = null;
		}
 partial void InsertKeyWord(KeyWord instance);
		private void attach_KeyWords(KeyWord entity)
		{
			this.SendPropertyChanging();
			entity.Vacancy = this;
		}