private void detach_PlanZanyat_Student(PlanZanyat_Student entity)
		{
			this.SendPropertyChanging();
			entity.PlanZanyat = null;
		}
		private void attach_PlanZanyat_Student(PlanZanyat_Student entity)
		{
			this.SendPropertyChanging();
			entity.Student = this;
		}
 partial void UpdatePlanZanyat_Student(PlanZanyat_Student instance);
 partial void DeletePlanZanyat_Student(PlanZanyat_Student instance);
 partial void InsertPlanZanyat_Student(PlanZanyat_Student instance);