diff --git a/NKC_SDK/NKC.cs b/NKC_SDK/NKC.cs
index aa0e77e..4fb0746 100644
--- a/NKC_SDK/NKC.cs
+++ b/NKC_SDK/NKC.cs
@@ -112,6 +112,13 @@ namespace NKC_SDK
         return $"{_baseUrl}api/Bunk";
       }
     }
+    protected string urlCurrSheet4Mac
+    {
+      get
+      {
+        return $"{_baseUrl}api/Sheet/{_codPost}";
+      }
+    }
     protected string urlGetBunk(int currBunkId)
     {
       return $"{_baseUrl}api/Bunk/{currBunkId}?showNext=false";
@@ -125,6 +132,17 @@ namespace NKC_SDK
       return $"{_baseUrl}api/Bunk/{currBunkId}";
     }
     /// <summary>
+    /// URL x salvataggio dati SHEET
+    /// </summary>
+    /// <returns></returns>
+    protected string urlPutSheetList
+    {
+      get
+      {
+        return $"{_baseUrl}api/Sheet/{_codPost}";
+      }
+    }
+    /// <summary>
     /// file locale per persistenza BUNK
     /// </summary>
     protected string persistFileName = "data/persistFile.json";
@@ -138,17 +156,26 @@ namespace NKC_SDK
     /// DEV:  https://localhost:44388/
     /// </summary>
     protected string _baseUrl { get; set; } = @"http://seriate.steamware.net:8083/NKC/";
-
+    /// <summary>
+    /// DnsName/IP di base x chaimate
+    /// </summary>
     protected string _baseIp { get; set; } = "seriate.steamware.net";
+    /// <summary>
+    /// COD macchina x cui si effettua chiamata
+    /// </summary>
+    protected string _codPost { get; set; } = "";
 
     /// <summary>
     /// Classe per effettuare comunicazioni con NKC
     /// </summary>
-    /// <param name="baseIp"></param>
-    /// <param name="baseUrl"></param>
-    public NKC(string baseIp, string baseUrl)
+    /// <param name="baseIp">IP di base x ping</param>
+    /// <param name="baseUrl">URL di abse x chiamate REST</param>
+    /// <param name="codPost">Codice posstazione/macchina x cui si fa chiamata</param>
+    public NKC(string baseIp, string baseUrl, string codPost)
     {
+      _baseIp = baseIp;
       _baseUrl = baseUrl;
+      _codPost = codPost;
     }
     /// <summary>
     /// Effettua test ping all'indirizzo del server
@@ -203,6 +230,92 @@ namespace NKC_SDK
       }
     }
 
+    #region metodi per SheetWorklist
+
+    /// <summary>
+    /// Recupera elenco dei fogli ATTIVI
+    /// - effettua chiamata tramite REST API HTTP
+    /// - il risutlato viene deserializzato nell'oggetto richiesto
+    /// </summary>
+    /// <returns></returns>
+    public SheetWorkList getCurrentSheets()
+    {
+      SheetWorkList answ = null;
+      string rawdata = "";
+      // chiamo metodo x recupero WBunk...
+      try
+      {
+        rawdata = callUrl(urlCurrSheet4Mac);
+        answ = JsonConvert.DeserializeObject<SheetWorkList>(rawdata);
+      }
+      catch (Exception exc)
+      {
+        Log.Instance.Error($"Eccezione durante getCurrentSheets, ricevuto {rawdata}{Environment.NewLine}{exc}");
+      }
+      return answ;
+    }
+    /// <summary>
+    /// Effettua salvataggio dell'elenco dei fogli (1..n) su NKC
+    /// </summary>
+    /// <param name="updatedSheetList"></param>
+    public bool saveSheets(SheetWorkList updatedSheetList)
+    {
+      bool answ = false;
+      string rawdata = "";
+      try
+      {
+        // serializzo oggetto
+        rawdata = JsonConvert.SerializeObject(updatedSheetList);
+        // invio con metodo put!
+        putData(urlPutSheetList, rawdata);
+        answ = true;
+      }
+      catch (Exception exc)
+      {
+        Log.Instance.Error($"Eccezione durante saveSheets, ricevuto {rawdata}{Environment.NewLine}{exc}");
+      }
+      return answ;
+    }
+    /// <summary>
+    /// Oggetto che contiene l'oggetto SHEET WorkList corrente salvato LOCALMENTE
+    /// </summary>
+    public SheetWorkList persistedSheetList
+    {
+      get
+      {
+        SheetWorkList answ = new SheetWorkList();
+        try
+        {
+          string rawdata = File.ReadAllText(persistFileName);
+          answ = JsonConvert.DeserializeObject<SheetWorkList>(rawdata);
+        }
+        catch (Exception exc)
+        {
+          Log.Instance.Error($"Eccezione durante recupero locale della SheetList{Environment.NewLine}{exc}");
+        }
+        return answ;
+      }
+      set
+      {
+        try
+        {
+          // serializzo oggetto
+          string rawdata = JsonConvert.SerializeObject(value);
+          // salvo in locale
+          File.WriteAllText(persistFileName, rawdata);
+        }
+        catch (Exception exc)
+        {
+          Log.Instance.Error($"Eccezione durante salvataggio locale della SheetList{Environment.NewLine}{exc}");
+        }
+      }
+    }
+
+    #endregion
+
+#if false
+    #region metodi per BUNK
+
     /// <summary>
     /// Recupera il PRIMO BUNK
     /// - effettua chiamata tramite REST API HTTP
@@ -326,6 +439,8 @@ namespace NKC_SDK
       }
     }
 
+    #endregion  
+#endif
 
   }
 }
diff --git a/RedisExample/Form1.Designer.vb b/RedisExample/Form1.Designer.vb
index 6419670..e531bb3 100644
--- a/RedisExample/Form1.Designer.vb
+++ b/RedisExample/Form1.Designer.vb
@@ -33,9 +33,7 @@ Partial Class Form1
     Me.btnWorkEnd = New System.Windows.Forms.Button()
     Me.btnUnlStart = New System.Windows.Forms.Button()
     Me.btnUnlEnd = New System.Windows.Forms.Button()
-    Me.btnNextBunk = New System.Windows.Forms.Button()
     Me.txtCurrBunk = New System.Windows.Forms.TextBox()
-    Me.lblNextBunk = New System.Windows.Forms.Label()
     Me.txtPrintStart = New System.Windows.Forms.TextBox()
     Me.txtWorkStart = New System.Windows.Forms.TextBox()
     Me.txtUnlStart = New System.Windows.Forms.TextBox()
@@ -52,9 +50,10 @@ Partial Class Form1
     '
     'btnReset
     '
-    Me.btnReset.Location = New System.Drawing.Point(64, 398)
+    Me.btnReset.Location = New System.Drawing.Point(85, 490)
+    Me.btnReset.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnReset.Name = "btnReset"
-    Me.btnReset.Size = New System.Drawing.Size(75, 23)
+    Me.btnReset.Size = New System.Drawing.Size(100, 28)
     Me.btnReset.TabIndex = 0
     Me.btnReset.Text = "reset Date"
     Me.btnReset.UseVisualStyleBackColor = True
@@ -62,26 +61,29 @@ Partial Class Form1
     'Label1
     '
     Me.Label1.AutoSize = True
-    Me.Label1.Location = New System.Drawing.Point(262, 403)
+    Me.Label1.Location = New System.Drawing.Point(349, 496)
+    Me.Label1.Margin = New System.Windows.Forms.Padding(4, 0, 4, 0)
     Me.Label1.Name = "Label1"
-    Me.Label1.Size = New System.Drawing.Size(39, 13)
+    Me.Label1.Size = New System.Drawing.Size(51, 17)
     Me.Label1.TabIndex = 1
     Me.Label1.Text = "Label1"
     '
     'btnLoadBunk
     '
-    Me.btnLoadBunk.Location = New System.Drawing.Point(64, 36)
+    Me.btnLoadBunk.Location = New System.Drawing.Point(85, 44)
+    Me.btnLoadBunk.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnLoadBunk.Name = "btnLoadBunk"
-    Me.btnLoadBunk.Size = New System.Drawing.Size(75, 23)
+    Me.btnLoadBunk.Size = New System.Drawing.Size(100, 28)
     Me.btnLoadBunk.TabIndex = 2
-    Me.btnLoadBunk.Text = "Load BUNK"
+    Me.btnLoadBunk.Text = "Load data"
     Me.btnLoadBunk.UseVisualStyleBackColor = True
     '
     'btnPrintStart
     '
-    Me.btnPrintStart.Location = New System.Drawing.Point(64, 165)
+    Me.btnPrintStart.Location = New System.Drawing.Point(85, 203)
+    Me.btnPrintStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnPrintStart.Name = "btnPrintStart"
-    Me.btnPrintStart.Size = New System.Drawing.Size(75, 23)
+    Me.btnPrintStart.Size = New System.Drawing.Size(100, 28)
     Me.btnPrintStart.TabIndex = 3
     Me.btnPrintStart.Text = "Start Paint"
     Me.btnPrintStart.UseVisualStyleBackColor = True
@@ -90,148 +92,144 @@ Partial Class Form1
     '
     Me.cmbSheet.DisplayMember = "SheetId"
     Me.cmbSheet.FormattingEnabled = True
-    Me.cmbSheet.Location = New System.Drawing.Point(526, 39)
+    Me.cmbSheet.Location = New System.Drawing.Point(700, 54)
+    Me.cmbSheet.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.cmbSheet.Name = "cmbSheet"
-    Me.cmbSheet.Size = New System.Drawing.Size(121, 21)
+    Me.cmbSheet.Size = New System.Drawing.Size(160, 24)
     Me.cmbSheet.TabIndex = 4
     '
     'Label2
     '
     Me.Label2.AutoSize = True
-    Me.Label2.Location = New System.Drawing.Point(440, 46)
+    Me.Label2.Location = New System.Drawing.Point(572, 57)
+    Me.Label2.Margin = New System.Windows.Forms.Padding(4, 0, 4, 0)
     Me.Label2.Name = "Label2"
-    Me.Label2.Size = New System.Drawing.Size(69, 13)
+    Me.Label2.Size = New System.Drawing.Size(92, 17)
     Me.Label2.TabIndex = 5
     Me.Label2.Text = "current sheet"
     '
     'btnPrintEnd
     '
-    Me.btnPrintEnd.Location = New System.Drawing.Point(423, 165)
+    Me.btnPrintEnd.Location = New System.Drawing.Point(564, 203)
+    Me.btnPrintEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnPrintEnd.Name = "btnPrintEnd"
-    Me.btnPrintEnd.Size = New System.Drawing.Size(75, 23)
+    Me.btnPrintEnd.Size = New System.Drawing.Size(100, 28)
     Me.btnPrintEnd.TabIndex = 6
     Me.btnPrintEnd.Text = "End Paint"
     Me.btnPrintEnd.UseVisualStyleBackColor = True
     '
     'btnWorkStart
     '
-    Me.btnWorkStart.Location = New System.Drawing.Point(64, 209)
+    Me.btnWorkStart.Location = New System.Drawing.Point(85, 257)
+    Me.btnWorkStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnWorkStart.Name = "btnWorkStart"
-    Me.btnWorkStart.Size = New System.Drawing.Size(75, 23)
+    Me.btnWorkStart.Size = New System.Drawing.Size(100, 28)
     Me.btnWorkStart.TabIndex = 7
     Me.btnWorkStart.Text = "Start Cut"
     Me.btnWorkStart.UseVisualStyleBackColor = True
     '
     'btnWorkEnd
     '
-    Me.btnWorkEnd.Location = New System.Drawing.Point(423, 209)
+    Me.btnWorkEnd.Location = New System.Drawing.Point(564, 257)
+    Me.btnWorkEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnWorkEnd.Name = "btnWorkEnd"
-    Me.btnWorkEnd.Size = New System.Drawing.Size(75, 23)
+    Me.btnWorkEnd.Size = New System.Drawing.Size(100, 28)
     Me.btnWorkEnd.TabIndex = 8
     Me.btnWorkEnd.Text = "End Cut"
     Me.btnWorkEnd.UseVisualStyleBackColor = True
     '
     'btnUnlStart
     '
-    Me.btnUnlStart.Location = New System.Drawing.Point(64, 251)
+    Me.btnUnlStart.Location = New System.Drawing.Point(85, 309)
+    Me.btnUnlStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnUnlStart.Name = "btnUnlStart"
-    Me.btnUnlStart.Size = New System.Drawing.Size(75, 23)
+    Me.btnUnlStart.Size = New System.Drawing.Size(100, 28)
     Me.btnUnlStart.TabIndex = 9
     Me.btnUnlStart.Text = "Start Unload"
     Me.btnUnlStart.UseVisualStyleBackColor = True
     '
     'btnUnlEnd
     '
-    Me.btnUnlEnd.Location = New System.Drawing.Point(423, 251)
+    Me.btnUnlEnd.Location = New System.Drawing.Point(564, 309)
+    Me.btnUnlEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnUnlEnd.Name = "btnUnlEnd"
-    Me.btnUnlEnd.Size = New System.Drawing.Size(75, 23)
+    Me.btnUnlEnd.Size = New System.Drawing.Size(100, 28)
     Me.btnUnlEnd.TabIndex = 10
     Me.btnUnlEnd.Text = "End Unload"
     Me.btnUnlEnd.UseVisualStyleBackColor = True
     '
-    'btnNextBunk
-    '
-    Me.btnNextBunk.Location = New System.Drawing.Point(64, 86)
-    Me.btnNextBunk.Name = "btnNextBunk"
-    Me.btnNextBunk.Size = New System.Drawing.Size(75, 23)
-    Me.btnNextBunk.TabIndex = 11
-    Me.btnNextBunk.Text = "Next BUNK"
-    Me.btnNextBunk.UseVisualStyleBackColor = True
-    Me.btnNextBunk.Visible = False
-    '
     'txtCurrBunk
     '
-    Me.txtCurrBunk.Location = New System.Drawing.Point(159, 37)
+    Me.txtCurrBunk.Location = New System.Drawing.Point(212, 46)
+    Me.txtCurrBunk.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtCurrBunk.Name = "txtCurrBunk"
-    Me.txtCurrBunk.Size = New System.Drawing.Size(100, 20)
+    Me.txtCurrBunk.Size = New System.Drawing.Size(132, 22)
     Me.txtCurrBunk.TabIndex = 12
     '
-    'lblNextBunk
-    '
-    Me.lblNextBunk.AutoSize = True
-    Me.lblNextBunk.Location = New System.Drawing.Point(159, 95)
-    Me.lblNextBunk.Name = "lblNextBunk"
-    Me.lblNextBunk.Size = New System.Drawing.Size(16, 13)
-    Me.lblNextBunk.TabIndex = 13
-    Me.lblNextBunk.Text = "---"
-    Me.lblNextBunk.Visible = False
-    '
     'txtPrintStart
     '
-    Me.txtPrintStart.Location = New System.Drawing.Point(159, 168)
+    Me.txtPrintStart.Location = New System.Drawing.Point(212, 207)
+    Me.txtPrintStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtPrintStart.Name = "txtPrintStart"
-    Me.txtPrintStart.Size = New System.Drawing.Size(142, 20)
+    Me.txtPrintStart.Size = New System.Drawing.Size(188, 22)
     Me.txtPrintStart.TabIndex = 14
     '
     'txtWorkStart
     '
-    Me.txtWorkStart.Location = New System.Drawing.Point(159, 211)
+    Me.txtWorkStart.Location = New System.Drawing.Point(212, 260)
+    Me.txtWorkStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtWorkStart.Name = "txtWorkStart"
-    Me.txtWorkStart.Size = New System.Drawing.Size(142, 20)
+    Me.txtWorkStart.Size = New System.Drawing.Size(188, 22)
     Me.txtWorkStart.TabIndex = 15
     '
     'txtUnlStart
     '
-    Me.txtUnlStart.Location = New System.Drawing.Point(159, 253)
+    Me.txtUnlStart.Location = New System.Drawing.Point(212, 311)
+    Me.txtUnlStart.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtUnlStart.Name = "txtUnlStart"
-    Me.txtUnlStart.Size = New System.Drawing.Size(142, 20)
+    Me.txtUnlStart.Size = New System.Drawing.Size(188, 22)
     Me.txtUnlStart.TabIndex = 16
     '
     'txtUnlEnd
     '
-    Me.txtUnlEnd.Location = New System.Drawing.Point(526, 252)
+    Me.txtUnlEnd.Location = New System.Drawing.Point(701, 310)
+    Me.txtUnlEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtUnlEnd.Name = "txtUnlEnd"
-    Me.txtUnlEnd.Size = New System.Drawing.Size(142, 20)
+    Me.txtUnlEnd.Size = New System.Drawing.Size(188, 22)
     Me.txtUnlEnd.TabIndex = 19
     '
     'txtWorkEnd
     '
-    Me.txtWorkEnd.Location = New System.Drawing.Point(526, 210)
+    Me.txtWorkEnd.Location = New System.Drawing.Point(701, 258)
+    Me.txtWorkEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtWorkEnd.Name = "txtWorkEnd"
-    Me.txtWorkEnd.Size = New System.Drawing.Size(142, 20)
+    Me.txtWorkEnd.Size = New System.Drawing.Size(188, 22)
     Me.txtWorkEnd.TabIndex = 18
     '
     'txtPrintEnd
     '
-    Me.txtPrintEnd.Location = New System.Drawing.Point(526, 167)
+    Me.txtPrintEnd.Location = New System.Drawing.Point(701, 206)
+    Me.txtPrintEnd.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.txtPrintEnd.Name = "txtPrintEnd"
-    Me.txtPrintEnd.Size = New System.Drawing.Size(142, 20)
+    Me.txtPrintEnd.Size = New System.Drawing.Size(188, 22)
     Me.txtPrintEnd.TabIndex = 17
     '
     'btnSaveAll
     '
-    Me.btnSaveAll.Location = New System.Drawing.Point(58, 307)
+    Me.btnSaveAll.Location = New System.Drawing.Point(77, 378)
+    Me.btnSaveAll.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnSaveAll.Name = "btnSaveAll"
-    Me.btnSaveAll.Size = New System.Drawing.Size(610, 23)
+    Me.btnSaveAll.Size = New System.Drawing.Size(813, 28)
     Me.btnSaveAll.TabIndex = 20
     Me.btnSaveAll.Text = "Save All Data"
     Me.btnSaveAll.UseVisualStyleBackColor = True
     '
     'btnPing
     '
-    Me.btnPing.Location = New System.Drawing.Point(64, 6)
+    Me.btnPing.Location = New System.Drawing.Point(85, 7)
+    Me.btnPing.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnPing.Name = "btnPing"
-    Me.btnPing.Size = New System.Drawing.Size(75, 23)
+    Me.btnPing.Size = New System.Drawing.Size(100, 28)
     Me.btnPing.TabIndex = 21
     Me.btnPing.Text = "Test Ping"
     Me.btnPing.UseVisualStyleBackColor = True
@@ -239,17 +237,19 @@ Partial Class Form1
     'lblPing
     '
     Me.lblPing.AutoSize = True
-    Me.lblPing.Location = New System.Drawing.Point(159, 11)
+    Me.lblPing.Location = New System.Drawing.Point(212, 14)
+    Me.lblPing.Margin = New System.Windows.Forms.Padding(4, 0, 4, 0)
     Me.lblPing.Name = "lblPing"
-    Me.lblPing.Size = New System.Drawing.Size(45, 13)
+    Me.lblPing.Size = New System.Drawing.Size(59, 17)
     Me.lblPing.TabIndex = 22
     Me.lblPing.Text = "ping???"
     '
     'btnAlive
     '
-    Me.btnAlive.Location = New System.Drawing.Point(423, 6)
+    Me.btnAlive.Location = New System.Drawing.Point(564, 7)
+    Me.btnAlive.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnAlive.Name = "btnAlive"
-    Me.btnAlive.Size = New System.Drawing.Size(75, 23)
+    Me.btnAlive.Size = New System.Drawing.Size(100, 28)
     Me.btnAlive.TabIndex = 23
     Me.btnAlive.Text = "Test Alive"
     Me.btnAlive.UseVisualStyleBackColor = True
@@ -257,26 +257,28 @@ Partial Class Form1
     'lblAlive
     '
     Me.lblAlive.AutoSize = True
-    Me.lblAlive.Location = New System.Drawing.Point(523, 11)
+    Me.lblAlive.Location = New System.Drawing.Point(697, 14)
+    Me.lblAlive.Margin = New System.Windows.Forms.Padding(4, 0, 4, 0)
     Me.lblAlive.Name = "lblAlive"
-    Me.lblAlive.Size = New System.Drawing.Size(47, 13)
+    Me.lblAlive.Size = New System.Drawing.Size(61, 17)
     Me.lblAlive.TabIndex = 24
     Me.lblAlive.Text = "alive???"
     '
     'btnPersist
     '
-    Me.btnPersist.Location = New System.Drawing.Point(423, 86)
+    Me.btnPersist.Location = New System.Drawing.Point(564, 106)
+    Me.btnPersist.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.btnPersist.Name = "btnPersist"
-    Me.btnPersist.Size = New System.Drawing.Size(75, 23)
+    Me.btnPersist.Size = New System.Drawing.Size(100, 28)
     Me.btnPersist.TabIndex = 25
     Me.btnPersist.Text = "Save Local"
     Me.btnPersist.UseVisualStyleBackColor = True
     '
     'Form1
     '
-    Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
+    Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 16.0!)
     Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
-    Me.ClientSize = New System.Drawing.Size(800, 450)
+    Me.ClientSize = New System.Drawing.Size(1067, 554)
     Me.Controls.Add(Me.btnPersist)
     Me.Controls.Add(Me.lblAlive)
     Me.Controls.Add(Me.btnAlive)
@@ -289,9 +291,7 @@ Partial Class Form1
     Me.Controls.Add(Me.txtUnlStart)
     Me.Controls.Add(Me.txtWorkStart)
     Me.Controls.Add(Me.txtPrintStart)
-    Me.Controls.Add(Me.lblNextBunk)
     Me.Controls.Add(Me.txtCurrBunk)
-    Me.Controls.Add(Me.btnNextBunk)
     Me.Controls.Add(Me.btnUnlEnd)
     Me.Controls.Add(Me.btnUnlStart)
     Me.Controls.Add(Me.btnWorkEnd)
@@ -303,6 +303,7 @@ Partial Class Form1
     Me.Controls.Add(Me.btnLoadBunk)
     Me.Controls.Add(Me.Label1)
     Me.Controls.Add(Me.btnReset)
+    Me.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
     Me.Name = "Form1"
     Me.Text = "Form1"
     Me.ResumeLayout(False)
@@ -321,11 +322,9 @@ Partial Class Form1
   Friend WithEvents btnWorkEnd As Button
   Friend WithEvents btnUnlStart As Button
   Friend WithEvents btnUnlEnd As Button
-  Friend WithEvents btnNextBunk As Button
-  Friend WithEvents txtCurrBunk As TextBox
-  Friend WithEvents lblNextBunk As Label
-  Friend WithEvents txtPrintStart As TextBox
-  Friend WithEvents txtWorkStart As TextBox
+    Friend WithEvents txtCurrBunk As TextBox
+    Friend WithEvents txtPrintStart As TextBox
+    Friend WithEvents txtWorkStart As TextBox
   Friend WithEvents txtUnlStart As TextBox
   Friend WithEvents txtUnlEnd As TextBox
   Friend WithEvents txtWorkEnd As TextBox
diff --git a/RedisExample/Form1.vb b/RedisExample/Form1.vb
index c37faa0..fceb4c4 100644
--- a/RedisExample/Form1.vb
+++ b/RedisExample/Form1.vb
@@ -9,9 +9,10 @@ Public Class Form1
   ' DEV:  https : http://localhost:44388/
   Dim baseIp As String = "seriate.steamware.net"
   Dim baseUrl As String = "http://seriate.steamware.net:8083/NKC/"
-  Dim currNKC As NKC = New NKC(baseIp, baseUrl)
+  Dim codPost As String = "WRK001" ' nome macchina
+  Dim currNKC As NKC = New NKC(baseIp, baseUrl, codPost)
 
-  Dim currentBunk As ProdBunk = Nothing
+  Dim currentSheets As SheetWorkList = Nothing
   Dim risultatoPing As PingReply = Nothing
   Dim srvAlive As Boolean = False
   Dim srvClock As String = ""
@@ -20,15 +21,15 @@ Public Class Form1
 
     ' resetto TUTTE le date e salvo il bunk!
 
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtStart = Nothing
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd = Nothing
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtStart = Nothing
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd = Nothing
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart = Nothing
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtStart = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtStart = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart = Nothing
+    currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd = Nothing
 
     ' salvo!
-    currNKC.saveBunk(currentBunk)
+    currNKC.saveSheets(currentSheets)
 
     updateDataButtons()
 
@@ -65,50 +66,20 @@ Public Class Form1
 
   End Sub
 
-  Private Sub btnNextBunk_Click(sender As Object, e As EventArgs) Handles btnNextBunk.Click
-    ' carico nextBunk
-    Dim bunkId As Integer
-    bunkId = 0
-    Integer.TryParse(txtCurrBunk.Text, bunkId)
-    '' con com lib diretta...
-    'Dim nextBunk = ComLib.prodGetNextBunk(bunkId)
-
-    Dim nextBunk = currNKC.getNextBunk(bunkId)
-
-    ' mostro risultato...
-    If Not IsNothing(nextBunk) Then
-      lblNextBunk.Text = nextBunk.BunkId
-    Else
-      lblNextBunk.Text = "none"
-    End If
-
-  End Sub
 
   Private Sub btnLoadBunk_Click(sender As Object, e As EventArgs) Handles btnLoadBunk.Click
     ' recupero BUNK!
-    currentBunk = currNKC.getFirstBunk
+    currentSheets = currNKC.getCurrentSheets
 
-    '' chiamata diretta redis + DB
-    'Dim getFirstBunk = ComLib.prodGetFirstBunk()
-    ' ho un bunk coi suoi pannelli...
-
-    If (currentBunk Is Nothing) Then
+    If (currentSheets Is Nothing) Then
       ' non ho un current bunk
       Label1.Text = "non ho trovato nessun bunk corrente"
     Else
 
-      Label1.Text = $"Trovato il bunk {currentBunk.BunkId} costituito da {currentBunk.SheetList.Count} pannelli"
-
-      ' salvo bunk corrente
-      txtCurrBunk.Text = currentBunk.BunkId
-
-      ' visualizzo btn nextBunk
-      btnNextBunk.Visible = True
-      lblNextBunk.Visible = True
-      lblNextBunk.Text = "..."
+      Label1.Text = $"Trovata lista costituita da {currentSheets.SheetList.Count} pannelli"
 
       ' popolo il selettore dei fogli...
-      cmbSheet.DataSource = currentBunk.SheetList
+      cmbSheet.DataSource = currentSheets.SheetList
 
       updateDataButtons()
     End If
@@ -129,12 +100,12 @@ Public Class Form1
         ' ok show
         showButtons = True
         ' imposto dateora ed in base ai valori dt del currBunk abilito o meno i buttons...
-        txtPrintStart.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtStart.ToString()
-        txtPrintEnd.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd.ToString()
-        txtWorkStart.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtStart.ToString()
-        txtWorkEnd.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd.ToString()
-        txtUnlStart.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart.ToString()
-        txtUnlEnd.Text = currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd.ToString()
+        txtPrintStart.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtStart.ToString()
+        txtPrintEnd.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd.ToString()
+        txtWorkStart.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtStart.ToString()
+        txtWorkEnd.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd.ToString()
+        txtUnlStart.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart.ToString()
+        txtUnlEnd.Text = currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd.ToString()
 
 
         btnPrintStart.Enabled = String.IsNullOrWhiteSpace(txtPrintStart.Text)
@@ -153,7 +124,6 @@ Public Class Form1
 
     ' fix buttons
     btnLoadBunk.Visible = showButtons
-    btnNextBunk.Visible = showButtons
     btnPrintStart.Visible = showButtons
     btnPrintEnd.Visible = showButtons
     btnWorkStart.Visible = showButtons
@@ -171,15 +141,28 @@ Public Class Form1
   End Sub
 
   Private Sub saveSelection()
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtStart = txtPrintStart.Text
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd = txtPrintEnd.Text
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtStart = txtWorkStart.Text
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd = txtWorkEnd.Text
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart = txtUnlStart.Text
-    currentBunk.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd = txtUnlEnd.Text
+    ' salvo SOLO SE è != ""
+    If (Not String.IsNullOrEmpty(txtPrintStart.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtStart = txtPrintStart.Text
+    End If
+    If (Not String.IsNullOrEmpty(txtPrintEnd.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Printing.DtEnd = txtPrintEnd.Text
+    End If
+    If (Not String.IsNullOrEmpty(txtWorkStart.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtStart = txtWorkStart.Text
+    End If
+    If (Not String.IsNullOrEmpty(txtWorkEnd.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Machining.DtEnd = txtWorkEnd.Text
+    End If
+    If (Not String.IsNullOrEmpty(txtUnlStart.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtStart = txtUnlStart.Text
+    End If
+    If (Not String.IsNullOrEmpty(txtUnlEnd.Text)) Then
+      currentSheets.SheetList(cmbSheet.SelectedIndex).Unloading.DtEnd = txtUnlEnd.Text
+    End If
 
     ' salvo!
-    currNKC.saveBunk(currentBunk)
+    currNKC.saveSheets(currentSheets)
 
     updateDataButtons()
   End Sub
@@ -222,7 +205,7 @@ Public Class Form1
   End Sub
 
   Private Sub btnPersist_Click(sender As Object, e As EventArgs) Handles btnPersist.Click
-    currNKC.persistedBunk = currentBunk
+    currNKC.persistedSheetList = currentSheets
 
   End Sub
 End Class