diff --git a/MP-Tablet/ODL.aspx b/MP-Tablet/ODL.aspx
index 809f1e15..b45336f6 100644
--- a/MP-Tablet/ODL.aspx
+++ b/MP-Tablet/ODL.aspx
@@ -10,7 +10,7 @@
     <uc1:mod_dettMacchina ID="mod_dettMacchina1" runat="server" />
     <div style="color: red;">
       <div class="ui-block-a" data-role="content" runat="server" id="divSelMacc">
-        <asp:DropDownList runat="server" ID="ddlSubMacc" DataSourceID="ods" DataTextField="CodMaccArticolo" DataValueField="IdxMacchina" AutoPostBack="True" OnSelectedIndexChanged="ddlSubMacc_SelectedIndexChanged"></asp:DropDownList>
+        <asp:DropDownList runat="server" ID="ddlSubMacc" DataSourceID="ods" DataTextField="CodMaccArticolo" DataValueField="IdxMacchina" AutoPostBack="True" OnSelectedIndexChanged="ddlSubMacc_SelectedIndexChanged" OnDataBound="ddlSubMacc_DataBound"></asp:DropDownList>
         <asp:ObjectDataSource runat="server" ID="ods" OldValuesParameterFormatString="original_{0}" SelectMethod="getMulti" TypeName="MapoDb.DS_applicazioneTableAdapters.MSFDTableAdapter" FilterExpression="idxMacchina LIKE '%#%'">
           <SelectParameters>
             <asp:SessionParameter DefaultValue="0" Name="IdxMacchina" SessionField="IdxMacchina" Type="String" />
diff --git a/MP-Tablet/ODL.aspx.cs b/MP-Tablet/ODL.aspx.cs
index 6860be80..be2e1be1 100644
--- a/MP-Tablet/ODL.aspx.cs
+++ b/MP-Tablet/ODL.aspx.cs
@@ -154,7 +154,38 @@ namespace MoonProTablet
 
     protected void ddlSubMacc_SelectedIndexChanged(object sender, EventArgs e)
     {
+      subMaccSel = ddlSubMacc.SelectedValue;
       checkAll();
     }
+
+
+    protected void ddlSubMacc_DataBound(object sender, EventArgs e)
+    {
+      // se ho in memoria un valore LO REIMPOSTO...
+      if (subMaccSel != "")
+      {
+        // provo a preselezionare...
+        try
+        {
+          ddlSubMacc.SelectedValue = subMaccSel;
+        }
+        catch
+        { }
+      }
+    }
+    /// <summary>
+    /// Sotto sistema (macchina) selezionato
+    /// </summary>
+    public string subMaccSel
+    {
+      get
+      {
+        return memLayer.ML.StringSessionObj("subMaccSel");
+      }
+      set
+      {
+        memLayer.ML.setSessionVal("subMaccSel", value);
+      }
+    }
   }
 }
\ No newline at end of file
diff --git a/MP-Tablet/WebUserControls/mod_confProd.ascx b/MP-Tablet/WebUserControls/mod_confProd.ascx
index cdf24f28..f8d004df 100644
--- a/MP-Tablet/WebUserControls/mod_confProd.ascx
+++ b/MP-Tablet/WebUserControls/mod_confProd.ascx
@@ -10,7 +10,7 @@
         data-theme="e" data-inline="false" Visible="false" OnClick="btnSalva_Click" Width="100%" />
     </div>
     <div runat="server" id="divSelMacc" class="ui-block-c" data-role="content">
-      <asp:DropDownList runat="server" ID="ddlSubMacc" DataSourceID="ods" DataTextField="CodMaccArticolo" DataValueField="IdxMacchina" AutoPostBack="True" OnSelectedIndexChanged="ddlSubMacc_SelectedIndexChanged"></asp:DropDownList>
+      <asp:DropDownList runat="server" ID="ddlSubMacc" DataSourceID="ods" DataTextField="CodMaccArticolo" DataValueField="IdxMacchina" AutoPostBack="True" OnSelectedIndexChanged="ddlSubMacc_SelectedIndexChanged" OnDataBound="ddlSubMacc_DataBound"></asp:DropDownList>
       <asp:ObjectDataSource runat="server" ID="ods" OldValuesParameterFormatString="original_{0}" SelectMethod="getMulti" TypeName="MapoDb.DS_applicazioneTableAdapters.MSFDTableAdapter" FilterExpression="idxMacchina LIKE '%#%'">
         <SelectParameters>
           <asp:SessionParameter DefaultValue="0" Name="IdxMacchina" SessionField="IdxMacchina" Type="String" />
diff --git a/MP-Tablet/WebUserControls/mod_confProd.ascx.cs b/MP-Tablet/WebUserControls/mod_confProd.ascx.cs
index 08d85d75..08315e24 100644
--- a/MP-Tablet/WebUserControls/mod_confProd.ascx.cs
+++ b/MP-Tablet/WebUserControls/mod_confProd.ascx.cs
@@ -294,7 +294,37 @@ namespace MoonProTablet.WebUserControls
 
     protected void ddlSubMacc_SelectedIndexChanged(object sender, EventArgs e)
     {
+      subMaccSel = ddlSubMacc.SelectedValue;
       checkAll();
     }
+
+    protected void ddlSubMacc_DataBound(object sender, EventArgs e)
+    {
+      // se ho in memoria un valore LO REIMPOSTO...
+      if (subMaccSel != "")
+      {
+        // provo a preselezionare...
+        try
+        {
+          ddlSubMacc.SelectedValue = subMaccSel;
+        }
+        catch
+        { }
+      }
+    }
+    /// <summary>
+    /// Sotto sistema (macchina) selezionato
+    /// </summary>
+    public string subMaccSel
+    {
+      get
+      {
+       return memLayer.ML.StringSessionObj("subMaccSel");
+      }
+      set
+      {
+        memLayer.ML.setSessionVal("subMaccSel", value);
+      }
+    }
   }
 }
\ No newline at end of file