diff --git a/MP.Data/Controllers/MpInveController.cs b/MP.Data/Controllers/MpInveController.cs
index 5c75e5cc..b0f47232 100644
--- a/MP.Data/Controllers/MpInveController.cs
+++ b/MP.Data/Controllers/MpInveController.cs
@@ -37,9 +37,9 @@ namespace MP.Data.Controllers
         /// <param name="codLotto">Codice lotto</param>
         /// <param name="codMagazzino">Codice magazzino</param>
         /// <returns></returns>
-        public List<AnagLottiArca> ListLottiEsterni(string codArt, string codLotto, string codMagazzino)
+        public AnagLottiArca LottoEsterno(string codArt, string codLotto, string codMagazzino)
         {
-            List<AnagLottiArca> dbResult = new List<AnagLottiArca>();
+            AnagLottiArca dbResult = new AnagLottiArca();
             using (var dbCtx = new MoonPro_ISContext(_configuration))
             {
                 var DataGiac = new SqlParameter("@DataGiac", DBNull.Value);
@@ -52,7 +52,8 @@ namespace MP.Data.Controllers
                             .DbLottoArca
                             .FromSqlRaw("exec dbo.stp_GIAC_getByDate @DataGiac,@CodArt,@CodLotto,@CodMagaz,@OnlyTest", DataGiac, CodArt, CodLotto, CodMagaz, OnlyTest)
                             .AsNoTracking()
-                            .ToList();
+                            .AsEnumerable()
+                            .FirstOrDefault();
             }
             return dbResult;
         }
@@ -121,29 +122,36 @@ namespace MP.Data.Controllers
             }
             return dbResult;
         }
-
-
-#if false
         /// <summary>
         /// Elenco Scansioni Totali
         /// </summary>
-        /// <param name="InveSessId"></param>
         /// <returns></returns>
-        public List<ScanDataModel> ScanBySession(int InveSessId)
+        public ScanDataModel ScanByUdcSession(string udc, int InveSessId)
         {
-            List<ScanDataModel> dbResult = new List<ScanDataModel>();
+            ScanDataModel dbResult = new ScanDataModel();
             using (var dbCtx = new MoonPro_InveContext(_configuration))
             {
-                dbResult = dbCtx
-                            .DbScanData
-                            .AsNoTracking()
-                            .Where(x => x.InveSessID == InveSessId)
-                            .OrderByDescending(x => x.DtScan)
-                            .ToList();
+                if (InveSessId != 0)
+                {
+                    dbResult = dbCtx
+                                .DbScanData
+                                .Where(x => (x.ScanValue == udc) && (x.InveSessID == InveSessId))
+                                .AsNoTracking()
+                                .OrderByDescending(x => x.DtScan)
+                                .FirstOrDefault();
+                }
+                else
+                {
+                    dbResult = dbCtx
+                                .DbScanData
+                                .Where(x => (x.ScanValue == udc))
+                                .AsNoTracking()
+                                .OrderByDescending(x => x.DtScan)
+                                .FirstOrDefault();
+                }
             }
             return dbResult;
-        } 
-#endif
+        }
 
         /// <summary>
         /// Elenco Scansioni dato Id sessione inventario
@@ -407,31 +415,25 @@ namespace MP.Data.Controllers
             }
             return dbResult;
         }
-
         /// <summary>
         /// check udc
         /// </summary>
         /// <param name="Udc"></param>
         /// <returns></returns>
-        public bool IsUDC(string Udc)
+        public AnagUdcModel IsUDC(string Udc)
         {
-            List<AnagUdcModel> dbResult = new List<AnagUdcModel>();
-            bool answ = false;
+            AnagUdcModel dbResult = new AnagUdcModel();
             using (var dbCtx = new MoonPro_InveContext(_configuration))
             {
                 dbResult = dbCtx
                             .DbUdcData
                             .Where(x => x.UDC == Udc)
+                            .Include(m => m.lottoNav)
                             .AsNoTracking()
                             .OrderByDescending(x => x.UDC)
-                            .ToList();
-
-                if (dbResult.Count == 1)
-                {
-                    answ = true;
-                }
+                            .FirstOrDefault(); ;
             }
-            return answ;
+            return dbResult;
         }
         #endregion gestione UDC
 
@@ -453,17 +455,14 @@ namespace MP.Data.Controllers
             }
             return dbResult;
         }
-
-
         /// <summary>
         /// check lotto
         /// </summary>
         /// <param name="lotto"></param>
         /// <returns></returns>
-        public bool IsLotto(string lotto)
+        public AnagLottoModel LottoInterno(string lotto)
         {
-            List<AnagLottoModel> dbResult = new List<AnagLottoModel>();
-            bool answ = false;
+            AnagLottoModel dbResult = new AnagLottoModel();
             using (var dbCtx = new MoonPro_InveContext(_configuration))
             {
                 dbResult = dbCtx
@@ -471,14 +470,9 @@ namespace MP.Data.Controllers
                             .Where(x => x.Lotto == lotto)
                             .AsNoTracking()
                             .OrderByDescending(x => x.Lotto)
-                            .ToList();
-
-                if (dbResult.Count == 1)
-                {
-                    answ = true;
-                }
+                            .FirstOrDefault();
             }
-            return answ;
+            return dbResult;
         }
 
         #endregion gestione lotti