diff --git a/public/userarea/save_parts_quotation.php b/public/userarea/save_parts_quotation.php
index 2445f70..3408f45 100644
--- a/public/userarea/save_parts_quotation.php
+++ b/public/userarea/save_parts_quotation.php
@@ -4,6 +4,7 @@ include('include/headscript.php');
 
 $dbHandler = DBHandlerSelect::getInstance();
 $pdo = $dbHandler->getConnection();
+$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
 $data = json_decode(file_get_contents('php://input'), true);
 
@@ -15,46 +16,73 @@ if (!$idquotations || empty($parts)) {
     exit;
 }
 
-$part = $parts[0];
-$partId = $part['id'] ?? null;
-$partNumber = $part['part_number'] ?? null;
-$partDescription = $part['part_description'] ?? '';
-$mix = $part['mix'] ?? 'N';
+try {
+    $pdo->beginTransaction();
+    $results = [];
+
+    foreach ($parts as $part) {
+        $partId = $part['id'] ?? null;
+        $partNumber = $part['part_number'] ?? null;
+        $partDescription = $part['part_description'] ?? '';
+        $mix = $part['mix'] ?? 'N';
+        $idmatrice = $part['idmatrice'] ?? null;
+        $note = $part['note'] ?? null;
+        $dateexpiry = $part['dateexpiry'] ?? null;
 
-if ($partDescription) {
-    try {
         if ($partId) {
-            // UPDATE se esiste già la parte
+            // UPDATE se la parte esiste
             $stmt = $pdo->prepare("UPDATE identification_parts
                 SET part_number = :part_number,
                     part_description = :part_description,
                     mix = :mix,
+                    idmatrice = :idmatrice,
+                    note = :note,
+                    dateexpiry = :dateexpiry,
                     updated_at = NOW()
-                WHERE id = :id");
+                WHERE id = :id AND idquotations = :idquotations");
             $stmt->execute([
                 ':id' => $partId,
                 ':part_number' => $partNumber,
                 ':part_description' => $partDescription,
-                ':mix' => $mix
+                ':mix' => $mix,
+                ':idmatrice' => $idmatrice,
+                ':note' => $note,
+                ':dateexpiry' => $dateexpiry,
+                ':idquotations' => $idquotations,
             ]);
-            echo json_encode(['success' => true, 'part_id' => $partId, 'part_number' => $partNumber, 'message' => 'Parte aggiornata con successo']);
-        } else {
-            // INSERT se è nuova
+
+            $results[] = [
+                'part_id' => $partId,
+                'part_number' => $partNumber,
+                'message' => 'Parte aggiornata con successo'
+            ];
+        } else if ($partDescription || $note || $dateexpiry) {
+            // INSERT per nuova parte (solo se ha contenuto)
             $stmt = $pdo->prepare("INSERT INTO identification_parts
-                (idquotations, part_number, part_description, mix, created_at, updated_at)
-                VALUES (:idquotations, :part_number, :part_description, :mix, NOW(), NOW())");
+                (idquotations, part_number, part_description, mix, idmatrice, note, dateexpiry, created_at, updated_at)
+                VALUES (:idquotations, :part_number, :part_description, :mix, :idmatrice, :note, :dateexpiry, NOW(), NOW())");
             $stmt->execute([
                 ':idquotations' => $idquotations,
                 ':part_number' => $partNumber,
                 ':part_description' => $partDescription,
-                ':mix' => $mix
+                ':mix' => $mix,
+                ':idmatrice' => $idmatrice,
+                ':note' => $note,
+                ':dateexpiry' => $dateexpiry,
             ]);
-            $newId = $pdo->lastInsertId();
-            echo json_encode(['success' => true, 'part_id' => $newId, 'part_number' => $partNumber, 'message' => 'Parte salvata con successo']);
+            $newId = (int)$pdo->lastInsertId();
+
+            $results[] = [
+                'part_id' => $newId,
+                'part_number' => $partNumber,
+                'message' => 'Parte salvata con successo'
+            ];
         }
-    } catch (PDOException $e) {
-        echo json_encode(['success' => false, 'message' => 'Errore nel salvataggio: ' . $e->getMessage()]);
     }
-} else {
-    echo json_encode(['success' => false, 'message' => 'Descrizione mancante']);
+
+    $pdo->commit();
+    echo json_encode(['success' => true, 'results' => $results]);
+} catch (PDOException $e) {
+    $pdo->rollBack();
+    echo json_encode(['success' => false, 'message' => 'Errore nel salvataggio: ' . $e->getMessage()]);
 }