partial void Deletetbl_chitietphieu(tbl_chitietphieu instance);
partial void Updatetbl_chitietphieu(tbl_chitietphieu instance);
private void detach_tbl_chitietphieus(tbl_chitietphieu entity)
{
this.SendPropertyChanging();
entity.tbl_sach = null;
}
partial void Inserttbl_chitietphieu(tbl_chitietphieu instance);
private void attach_tbl_chitietphieus(tbl_chitietphieu entity)
{
this.SendPropertyChanging();
entity.tbl_phieumuon_tra = this;
}