private void detach_course_students(course_student entity) { this.SendPropertyChanging(); entity.student = null; }
private void attach_course_students(course_student entity) { this.SendPropertyChanging(); entity.student = this; }
partial void Updatecourse_student(course_student instance);
partial void Deletecourse_student(course_student instance);
partial void Insertcourse_student(course_student instance);