partial void DeleteteacherCourse(teacherCourse instance);
partial void UpdateteacherCourse(teacherCourse instance);
private void detach_teacherCourses(teacherCourse entity)
{
this.SendPropertyChanging();
entity.teacher = null;
}
partial void InsertteacherCourse(teacherCourse instance);
private void attach_teacherCourses(teacherCourse entity)
{
this.SendPropertyChanging();
entity.teacher = this;
}
