diff --git a/Jenkinsfile b/Jenkinsfile
index 76911d1..6fbb817 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -11,7 +11,7 @@ pipeline {
       steps {
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=293']) {
+        withEnv(['NEXT_BUILD_NUMBER=294']) {
           // env.versionNumber = VersionNumber(versionNumberString : '0.10.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '0.10.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.versionNumberBeta = VersionNumber(versionNumberString : '0.10.${BUILD_DATE_FORMATTED, "yyMM"}-beta.${BUILDS_ALL_TIME}', projectStartDate : '2019-07-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
diff --git a/NKC_WF/WebUserControls/cmp_barcode.ascx.cs b/NKC_WF/WebUserControls/cmp_barcode.ascx.cs
index 8c77c62..14b8812 100644
--- a/NKC_WF/WebUserControls/cmp_barcode.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_barcode.ascx.cs
@@ -85,7 +85,6 @@ namespace NKC_WF.WebUserControls
         /// <returns></returns>
         public void resetInput()
         {
-            //inputAcquired = "";
             valueRead = "";
             txtBarcode.Focus();
         }
diff --git a/NKC_WF/WebUserControls/cmp_stackBuilding.ascx b/NKC_WF/WebUserControls/cmp_stackBuilding.ascx
index 3b3d441..36020d2 100644
--- a/NKC_WF/WebUserControls/cmp_stackBuilding.ascx
+++ b/NKC_WF/WebUserControls/cmp_stackBuilding.ascx
@@ -61,7 +61,7 @@
                                 <asp:ControlParameter ControlID="hfStackId" DefaultValue="0" Name="StackID" PropertyName="Value" Type="Int32" />
                             </SelectParameters>
                         </asp:ObjectDataSource>
-                        <asp:Timer runat="server" Interval="1000" OnTick="Unnamed1_Tick"></asp:Timer>
+                        <asp:Timer runat="server" Interval="2000" OnTick="Unnamed1_Tick"></asp:Timer>
                     </ContentTemplate>
                 </asp:UpdatePanel>
             </div>
diff --git a/NKC_WF/WebUserControls/cmp_stackBuilding.ascx.cs b/NKC_WF/WebUserControls/cmp_stackBuilding.ascx.cs
index da03635..0e29703 100644
--- a/NKC_WF/WebUserControls/cmp_stackBuilding.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_stackBuilding.ascx.cs
@@ -86,6 +86,7 @@ namespace NKC_WF.WebUserControls
                             // chiamo stored x indicare preparato
                             DataLayer.man.taSHL.setPrepared(nextTbl[0].SheetID);
                             cmp_barcode.resetInput();
+                            lastCmd = "";
                         }
                         else
                         {