diff --git a/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor b/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor
index ea5ed0a..a3e89c3 100644
--- a/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor
+++ b/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor
@@ -6,6 +6,6 @@ else
 {
     @foreach (var item in CurrBaseDoorOp)
     {
-        <DoorDataBlock BlockDoorOp="@item"></DoorDataBlock>
+        <DoorDataBlock E_doorOp2Save=doSaveParams BlockDoorOp="@item"></DoorDataBlock>
     }
 }
\ No newline at end of file
diff --git a/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor.cs b/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor.cs
index 1d311f3..0518018 100644
--- a/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor.cs
+++ b/WebDoorCreator.UI/Components/DoorDef/BaseParamList.razor.cs
@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Components;
 using WebDoorCreator.Data.DbModels;
+using WebDoorCreator.UI.Data;
 
 namespace WebDoorCreator.UI.Components.DoorDef
 {
@@ -13,6 +14,9 @@ namespace WebDoorCreator.UI.Components.DoorDef
         [Parameter]
         public List<DoorOpModel>? CurrBaseDoorOp { get; set; } = null;
 
+        [Inject]
+        protected WebDoorCreatorService WDService { get; set; } = null!;
+
         #endregion Public Properties
 
         #region Protected Properties
@@ -22,6 +26,14 @@ namespace WebDoorCreator.UI.Components.DoorDef
         /// </summary>
         protected string userLang { get; set; } = "EN";
 
+        protected async Task doSaveParams(DoorOpModel savingDoorOp)
+        {
+            if (savingDoorOp != null)
+            {
+                await WDService.DoorOpUpdate(savingDoorOp);
+            }
+        }
+
         #endregion Protected Properties
     }
 }
\ No newline at end of file
diff --git a/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor b/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor
index cc7d992..dd73f06 100644
--- a/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor
+++ b/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor
@@ -1,12 +1,43 @@
-<div class="text-center">
-    <h5>@BlockDoorOp.ObjectId</h5>
-</div>
-
-@if (bdpList != null)
+@if (bdpList != null)
 {
-    foreach (var item in bdpList)
-    {
-        <DoorDefSizingSI Lingua="@userLang" currValRef="@item.Value" paramsConfig="@getParamsConfig(item.Key)" HwCode="@item.Key" E_ItemChanged="@doSaveBlock"></DoorDefSizingSI>
-    }
-    <hr />
+    <div class="row">
+        <div class="col-6">
+            <div class="text-center">
+                <h5>@BlockDoorOp.ObjectId</h5>
+            </div>
+            @foreach (var item in bdpList)
+            {
+                <DoorDefSizingSI Lingua="@userLang" currValRef="@item.Value" paramsConfig="@getParamsConfig(item.Key)" HwCode="@item.Key" E_ItemChanged="@doSaveBlock"></DoorDefSizingSI>
+            }
+            <hr />
+        </div>
+        <div class="col-6">
+            @if (paramsChanged)
+            {
+                <div class="col-10">
+                    <div class="btn-group w-100">
+                        <button class="btn btn-outline-dark" style="cursor: pointer;">
+                            CANCEL
+                        </button>
+                        <button class="btn btn-outline-dark" style="cursor: pointer;">
+                            SAVE
+                        </button>
+                    </div>
+                </div>
+            }
+            else
+            {
+                <div class="col-10">
+                    <div class="btn-group w-100">
+                        <button class="btn btn-outline-secondary" style="cursor: pointer;" disabled>
+                            CANCEL
+                        </button>
+                        <button class="btn btn-outline-secondary" style="cursor: pointer;" disabled>
+                            SAVE
+                        </button>
+                    </div>
+                </div>
+            }
+        </div>
+    </div>
 }
\ No newline at end of file
diff --git a/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor.cs b/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor.cs
index f6e0835..96a20b5 100644
--- a/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor.cs
+++ b/WebDoorCreator.UI/Components/DoorDef/DoorDataBlock.razor.cs
@@ -34,7 +34,14 @@ namespace WebDoorCreator.UI.Components.DoorDef
         /// </summary>
         [Parameter]
         public DoorOpModel BlockDoorOp { get; set; } = null!;
+        /// <summary>
+        /// Evento per salvataggio oggetto serializzato
+        /// </summary>
+        [Parameter]
+        public EventCallback<DoorOpModel> E_doorOp2Save { get; set; }
+
         protected string userLang { get; set; } = "EN";
+        protected bool paramsChanged { get; set; } = false;
 
         /// <summary>
         /// spacchetto componenti
@@ -80,6 +87,7 @@ namespace WebDoorCreator.UI.Components.DoorDef
 
         protected async Task doSaveBlock(Dictionary<string, Dictionary<string, string>> updSet)
         {
+            await Task.Delay(1);
             if (bdpList != null)
             {
                 if (updSet != null && updSet.Count > 0)
@@ -88,7 +96,17 @@ namespace WebDoorCreator.UI.Components.DoorDef
                     if (bdpList.ContainsKey(currSet.Key))
                     {
                         bdpList[currSet.Key] = currSet.Value;
+                        paramsChanged = true;
                         // serializzo e salvo, rimandando evento ad obj contenitore
+                        var serVal2Save = JsonConvert.SerializeObject(bdpList);
+
+                        if (serVal2Save != null)
+                        {
+                            BlockDoorOp.JsoncActVal = serVal2Save;
+
+                            await E_doorOp2Save.InvokeAsync(BlockDoorOp);
+                            await InvokeAsync(StateHasChanged);
+                        }
 
                         // FixMe ToDo !!!
                     }
diff --git a/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor b/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor
index a3cd51d..c955700 100644
--- a/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor
+++ b/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor
@@ -10,6 +10,7 @@ else
                 <div class="row my-1">
                     <b>@HwCode</b>
                 </div>
+                @doCheckVal()
                 @foreach (var item in currVal)
                 {
                     @if (isCombo(item.Key))
@@ -38,32 +39,7 @@ else
                         </div>
                     }
                 }
-                @if (doCheckVal())
-                {
-                    <div class="col-10">
-                        <div class="btn-group w-100">
-                            <button class="btn btn-outline-dark" style="cursor: pointer;" @onclick="() => doCancel()">
-                                CANCEL
-                            </button>
-                            <button class="btn btn-outline-dark" style="cursor: pointer;" @onclick="() => doSave()">
-                                SAVE
-                            </button>
-                        </div>
-                    </div>
-                }
-                else
-                {
-                    <div class="col-10">
-                        <div class="btn-group w-100">
-                            <button class="btn btn-outline-secondary" style="cursor: pointer;" disabled>
-                                CANCEL
-                            </button>
-                            <button class="btn btn-outline-secondary" style="cursor: pointer;" disabled>
-                                SAVE
-                            </button>
-                        </div>
-                    </div>
-                }
+
             </div>
         </div>
     </div>
diff --git a/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor.cs b/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor.cs
index cc2911a..c7392c9 100644
--- a/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor.cs
+++ b/WebDoorCreator.UI/Components/DoorDef/DoorDefSizingSI.razor.cs
@@ -41,10 +41,19 @@ namespace WebDoorCreator.UI.Components.DoorDef
 
         #region Protected Properties
 
+        Dictionary<string, string> _currVal = new Dictionary<string, string>();
+
         /// <summary>
         /// Array dati effettivo x gestione modifiche
         /// </summary>
-        protected Dictionary<string, string> currVal { get; set; } = new Dictionary<string, string>();
+        protected Dictionary<string, string> currVal
+        {
+            get => _currVal;
+            set
+            {
+                _currVal = value;
+            }
+        }
 
         [Inject]
         protected IJSRuntime JSRuntime { get; set; } = null!;
@@ -89,6 +98,10 @@ namespace WebDoorCreator.UI.Components.DoorDef
                         if (k.Value != currValRef[k.Key])
                         {
                             answ = true;
+                            if (answ)
+                            {
+                                Task.Run(async () => await doSave());
+                            }
                         }
                     }
                 }