prepare("DELETE FROM bni_groups WHERE id = :id"); $stmt->bindParam(':id', $id, PDO::PARAM_INT); $stmt->execute(); $_SESSION['success_message'] = 'BNI Group deleted successfully!'; } catch (PDOException $e) { $_SESSION['error_message'] = 'Error deleting BNI group: ' . $e->getMessage(); } } header('Location: bni_groups.php'); exit;