private void detach_Enrollments(Enrollment entity)
		{
			this.SendPropertyChanging();
			entity.Class = null;
		}
		private void attach_Enrollments(Enrollment entity)
		{
			this.SendPropertyChanging();
			entity.Class = this;
		}
 partial void UpdateEnrollment(Enrollment instance);
 partial void DeleteEnrollment(Enrollment instance);
 partial void InsertEnrollment(Enrollment instance);