private void Luu() { try { //Delete foreach (TAIKHOAN newHs in ListTaiKhoanDelete) { _TaiKhoan.Xoa(newHs.MATK); } //ADD foreach (TAIKHOAN newHs in ListTaiKhoanInsert) { _TaiKhoan.Them(newHs.MATK, newHs.TENTK, newHs.MATKHAU, newHs.LOAITK); } //Update foreach (TAIKHOAN newHs in ListTaiKhoanUpdate) { _TaiKhoan.Sua(newHs.MATK, newHs.TENTK, newHs.MATKHAU, newHs.LOAITK); } _luu = false; ListTaiKhoanInsert.Clear(); ListTaiKhoanDelete.Clear(); ListTaiKhoanUpdate.Clear(); } catch { } }