diff --git a/AppData/ComLib.cs b/AppData/ComLib.cs
index 9be6c97..d272db4 100644
--- a/AppData/ComLib.cs
+++ b/AppData/ComLib.cs
@@ -1398,36 +1398,37 @@ namespace AppData
         public static DS_App.StackListRow getCurrBunk()
         {
             DS_App.StackListRow answ = null;
+            DS_App.StackListDataTable tabBunk = null;
             // cerco in cache....
-            if (cachedCurrBunk != null)
+            if (cachedCurrBunkTab != null)
             {
-                answ = cachedCurrBunk;
+                tabBunk = cachedCurrBunkTab;
             }
             else
             {
-                var tabStl = DataLayer.man.taSTL.getLoaded();
-                if (tabStl.Count > 0)
-                {
-                    answ = tabStl[0];
-                }
+                tabBunk = DataLayer.man.taSTL.getLoaded();
                 // salvo in redis
-                cachedCurrBunk = answ;
+                cachedCurrBunkTab = tabBunk;
+            }
+            if (tabBunk.Count > 0)
+            {
+                answ = tabBunk[0];
             }
             return answ;
         }
 
-        protected static DS_App.StackListRow cachedCurrBunk
+        protected static DS_App.StackListDataTable cachedCurrBunkTab
         {
             get
             {
-                DS_App.StackListRow answ = null;
+                DS_App.StackListDataTable answ = null;
                 string rawData = memLayer.ML.getRSV(redCurrBunkTabKey());
                 if (!string.IsNullOrEmpty(rawData))
                 {
                     try
                     {
                         // deserializzo...
-                        answ = JsonConvert.DeserializeObject<DS_App.StackListRow>(rawData);
+                        answ = JsonConvert.DeserializeObject<DS_App.StackListDataTable>(rawData);
                     }
                     catch
                     { }
@@ -1468,38 +1469,39 @@ namespace AppData
             DS_App.SheetListRow answ = null;
             if (BatchID > 0)
             {
+                DS_App.SheetListDataTable tabSheets = null;
                 // cerco in cache....
-                if (cachedCurrSheet != null)
+                if (cachedCurrSheetTab != null)
                 {
-                    answ = cachedCurrSheet;
+                    tabSheets = cachedCurrSheetTab;
                 }
                 else
                 {
                     // recupero sheet corrente da Bunk...
-                    DS_App.SheetListDataTable tabSheets = DataLayer.man.taSHL.getByMLStatus(BatchID, 5, 5);
-                    if (tabSheets.Count > 0)
-                    {
-                        answ = tabSheets[0];
-                    }
+                    tabSheets = DataLayer.man.taSHL.getByMLStatus(BatchID, 5, 5);
                     // salvo in redis
-                    cachedCurrSheet = answ;
+                    cachedCurrSheetTab = tabSheets;
+                }
+                if (tabSheets.Count > 0)
+                {
+                    answ = tabSheets[0];
                 }
             }
             return answ;
         }
 
-        protected static DS_App.SheetListRow cachedCurrSheet
+        protected static DS_App.SheetListDataTable cachedCurrSheetTab
         {
             get
             {
-                DS_App.SheetListRow answ = null;
+                DS_App.SheetListDataTable answ = null;
                 string rawData = memLayer.ML.getRSV(redCurrSheetTabKey());
                 if (!string.IsNullOrEmpty(rawData))
                 {
                     try
                     {
                         // deserializzo...
-                        answ = JsonConvert.DeserializeObject<DS_App.SheetListRow>(rawData);
+                        answ = JsonConvert.DeserializeObject<DS_App.SheetListDataTable>(rawData);
                     }
                     catch
                     { }
@@ -1510,7 +1512,7 @@ namespace AppData
             {
                 string rawData = JsonConvert.SerializeObject(value);
                 // TTL 5 sec
-                memLayer.ML.setRSV(redCurrSheetTabKey(), rawData, 2);
+                memLayer.ML.setRSV(redCurrSheetTabKey(), rawData, 5);
             }
         }
         /// <summary>
diff --git a/NKC_WF/App_Start/NKC_Startup.cs b/NKC_WF/App_Start/NKC_Startup.cs
index 6294eb9..9633367 100644
--- a/NKC_WF/App_Start/NKC_Startup.cs
+++ b/NKC_WF/App_Start/NKC_Startup.cs
@@ -15,8 +15,10 @@ namespace NKC_WF.App_Start
             {
                 // inizializzo appConf prima di tutto il resto...
                 memLayer.ML.resetAppConf();
+                logger.lg.scriviLog("resetAppConf DONE", tipoLog.STARTUP);
                 // reset vocabolario
                 DataWrap.DW.resetVocabolario();
+                logger.lg.scriviLog("resetVocabolario DONE", tipoLog.STARTUP);
                 logger.lg.scriviLog("Completed preliminary setup AppConf execution", tipoLog.STARTUP);
             }
             catch (Exception exc)
diff --git a/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs b/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
index 9c9be95..bfeed6b 100644
--- a/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
@@ -39,7 +39,11 @@ namespace NKC_WF.WebUserControls
                 DS_App.SheetListRow currSheet = ComLib.getCurrSheet(currBunk.BatchID);
                 if (currSheet != null)
                 {
-                    SheetId = currSheet.SheetID;
+                    // se variato...
+                    if (SheetId != currSheet.SheetID)
+                    {
+                        SheetId = currSheet.SheetID;
+                    }
                 }
             }
             else