diff --git a/MP-TAB/WebUserControls/BaseUserControl.cs b/MP-TAB/WebUserControls/BaseUserControl.cs
index a5e1e828..315fb269 100644
--- a/MP-TAB/WebUserControls/BaseUserControl.cs
+++ b/MP-TAB/WebUserControls/BaseUserControl.cs
@@ -101,6 +101,23 @@ namespace MoonProTablet.WebUserControls
             }
         }
 
+        /// <summary>
+        /// idx macchina selezionata
+        /// </summary>
+        public string idxMacchinaSel
+        {
+            get
+            {
+                string answ = idxMacchina;
+                // verifoc: se multi uso selettore tendina...
+                if (isMulti)
+                {
+                    answ = subMaccSel;
+                }
+                return answ;
+            }
+        }
+
         /// <summary>
         /// idxOdl corrente in sessione
         /// </summary>
diff --git a/MP-TAB/WebUserControls/mod_confProd.ascx.cs b/MP-TAB/WebUserControls/mod_confProd.ascx.cs
index dd3572f4..244b23b0 100644
--- a/MP-TAB/WebUserControls/mod_confProd.ascx.cs
+++ b/MP-TAB/WebUserControls/mod_confProd.ascx.cs
@@ -200,34 +200,6 @@ namespace MoonProTablet.WebUserControls
             }
         }
 
-        /// <summary>
-        /// idx macchina selezionata
-        /// </summary>
-        public string idxMacchinaSel
-        {
-            get
-            {
-                string answ = memLayer.ML.StringSessionObj("IdxMacchina");
-                // verifoc: se multi uso selettore tendina...
-                if (isMulti)
-                {
-                    if (ddlSubMacc.SelectedValue == "")
-                    {
-                        ddlSubMacc.DataBind();
-                    }
-                    if (ddlSubMacc.SelectedValue != "")
-                    {
-                        answ = ddlSubMacc.SelectedValue;
-                    }
-                }
-                return answ;
-            }
-            set
-            {
-                memLayer.ML.setSessionVal("IdxMacchina", value);
-            }
-        }
-
         /// <summary>
         /// Verifica ODL OK (ovvero caricato x macchina...)
         /// </summary>