private void detach_Enrollmentscourses(Enrollmentscourse entity)
 {
     this.SendPropertyChanging("Enrollmentscourses");
     entity.Enrollment = null;
 }
 private void attach_Enrollmentscourses(Enrollmentscourse entity)
 {
     this.SendPropertyChanging("Enrollmentscourses");
     entity.Course = this;
 }
 partial void UpdateEnrollmentscourse(Enrollmentscourse instance);
 partial void DeleteEnrollmentscourse(Enrollmentscourse instance);
 partial void InsertEnrollmentscourse(Enrollmentscourse instance);