private void detach_RecordIndex(RecordIndex entity)
{
this.SendPropertyChanging();
entity.Course = null;
}
partial void DeleteRecordIndex(RecordIndex instance);
partial void InsertRecordIndex(RecordIndex instance);
partial void UpdateRecordIndex(RecordIndex instance);
private void attach_RecordIndex(RecordIndex entity)
{
this.SendPropertyChanging();
entity.ClassInfo = this;
}