diff --git a/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx b/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx
index 7e74b524..dcac219e 100644
--- a/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx
+++ b/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx
@@ -259,7 +259,8 @@
                 <asp:Button ID="btnRettifica" runat="server" Width="100px" OnClick="btnRettifica_Click" />
             </td>
             <td>
-                <asp:Button ID="btnPreleva" runat="server" Width="100px" />
+                <asp:Button ID="btnPreleva" runat="server" Width="100px" 
+                    onclick="btnPreleva_Click" />
             </td>
         </tr>
     </table>
diff --git a/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx.cs b/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx.cs
index 79f64267..8874cc6b 100644
--- a/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx.cs
+++ b/GMW/GMW_Term/WebUserControls/mod_execUdc.ascx.cs
@@ -39,6 +39,57 @@ namespace GMW_Term.WebUserControls
             }
         }
         /// <summary>
+        /// CodLista della lsita di prelievo correntemente attiva
+        /// </summary>
+        protected string _CodLista
+        {
+            get
+            {
+                return memLayer.ML.StringSessionObj("CodLista_sel");
+            }
+            set
+            {
+                memLayer.ML.setSessionVal("CodLista_sel", value);
+            }
+        }
+        /// <summary>
+        /// Particolare dell'UDC correntemente selezionato
+        /// </summary>
+        protected string _PartUdc
+        {
+            get
+            {
+                string answ = "";
+                try
+                {
+                    answ = MagClass.magazzino.taDettUDC.getByFullUdc(_UDC, _CodCS)[0].Particolare;
+                }
+                catch
+                { }
+                return answ;
+            }
+        }
+        /// <summary>
+        /// Particolare della Lista di Prelievo correntemente attiva
+        /// </summary>
+        protected string _PartLdP
+        {
+            get
+            {
+                string answ = "";
+                if (_CodLista != "")
+                {
+                    try
+                    {
+                        answ = MagClass.magazzino.taElencoListePrelievo.getByCodLista(_CodLista)[0].Particolare;
+                    }
+                    catch
+                    { }
+                }
+                return answ;
+            }
+        }
+        /// <summary>
         /// testo contenuto nella textbox
         /// </summary>
         public string txtScansione
@@ -137,7 +188,7 @@ namespace GMW_Term.WebUserControls
             btnRettifica.Enabled = true;
             btnChiudi.Enabled = true;
             // button preleva abilitato SOLO SE c'è una lista di prelievo attiva per l'utente e per il particolare corrente...
-            if (memLayer.ML.BoolSessionObj("ListaPrelievoAttiva"))
+            if (_CodLista != "" && (_PartLdP == _PartUdc))
             {
                 btnPreleva.Enabled = true;
             }
@@ -455,14 +506,14 @@ namespace GMW_Term.WebUserControls
         protected void btnDeposita_Click(object sender, EventArgs e)
         {
             // nasconde/mostra panels
-            resetinputPanel();
+            resetInputPanel();
             editAttivo = tipoEditUdc.deposito;
             setupBtnChiudi();
         }
         /// <summary>
         /// resetta panel input
         /// </summary>
-        private void resetinputPanel()
+        private void resetInputPanel()
         {
             pnlButtons.Visible = false;
             pnlInput.Visible = true;
@@ -478,7 +529,7 @@ namespace GMW_Term.WebUserControls
         protected void btnSposta_Click(object sender, EventArgs e)
         {
             // nasconde/mostra panels
-            resetinputPanel();
+            resetInputPanel();
             editAttivo = tipoEditUdc.spostamento;
             setupBtnChiudi();
         }
@@ -535,10 +586,23 @@ namespace GMW_Term.WebUserControls
                     break;
             }
         }
-
+        /// <summary>
+        /// associa l'UDC corrente alla lsita di prelievo attualmente in essere...
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected void btnPreleva_Click(object sender, EventArgs e)
+        {
+            MagClass.magazzino.confermaUdcPrelevatoPerLista(_CodLista, _UDC);
+            // nasconde/mostra panels
+            resetInputPanel();
+            editAttivo = tipoEditUdc.nd;
+            setupBtnChiudi();
+        }
 
         #endregion
 
+
         #endregion
 
     }
diff --git a/GMW/GMW_Term/bin/GMW_Term.dll b/GMW/GMW_Term/bin/GMW_Term.dll
index d301b32f..38f19bfb 100644
Binary files a/GMW/GMW_Term/bin/GMW_Term.dll and b/GMW/GMW_Term/bin/GMW_Term.dll differ
diff --git a/GMW/GMW_Term/obj/Debug/GMW_Term.dll b/GMW/GMW_Term/obj/Debug/GMW_Term.dll
index d301b32f..38f19bfb 100644
Binary files a/GMW/GMW_Term/obj/Debug/GMW_Term.dll and b/GMW/GMW_Term/obj/Debug/GMW_Term.dll differ