setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
die(“Ket noi loi: ” . $e->getMessage());
}
// 2. AJAX LAY DON VI
if (isset($_GET[‘action’]) && $_GET[‘action’] == ‘get_dv’) {
$id = intval($_GET[‘id’]);
$st = $conn->prepare(“SELECT * FROM DonVi WHERE ID_linhvuc = ?”);
$st->execute([$id]);
echo ‘‘;
while ($r = $st->fetch(PDO::FETCH_ASSOC)) {
echo ‘‘;
}
exit;
}
get_header(); ?>
