diff --git a/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor b/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor
index 062c763..dff4e57 100644
--- a/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor
+++ b/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor
@@ -85,11 +85,12 @@ else
 
     }
 }*@
+
 <div class="row">
-    <div class="btn btn-danger col-6 px-1">
+    <div class="btn btn-danger col-6 px-1" @onclick="() => doCancel()">
         Cancel
     </div>
     <button class="btn btn-success col-6 px-1" @onclick="() => doSave()">
         Save
     </button>
-</div>
\ No newline at end of file
+</div>
diff --git a/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor.cs b/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor.cs
index 0d796e0..8af040b 100644
--- a/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor.cs
+++ b/WebDoorCreator.UI/Components/Hardware/HwSingleInstance.razor.cs
@@ -24,7 +24,7 @@ namespace WebDoorCreator.UI.Components.Hardware
 
         public void setupCurrValues()
         {
-            currVal = new Dictionary<string, string>();
+            //currVal = new Dictionary<string, string>();
             if (!string.IsNullOrEmpty(DoorOpInst.JsoncActVal))
             {
                 var deserialized = JsonConvert.DeserializeObject<Dictionary<string, string>>(DoorOpInst.JsoncActVal!);
@@ -63,6 +63,9 @@ namespace WebDoorCreator.UI.Components.Hardware
             set => currVal["folder"] = value;
         }
 
+        /// <summary>
+        /// Array dati
+        /// </summary>
         protected Dictionary<string, string> currVal { get; set; } = null!;
 
         protected string folderName
@@ -129,11 +132,14 @@ namespace WebDoorCreator.UI.Components.Hardware
             await WDCService.DoorOpUpdate(DoorOpInst);
         }
 
+        protected async Task doCancel()
+        {
+            await FullReloadData(true);
+        }
+
         protected override async Task OnParametersSetAsync()
         {
-            setupCurrValues();
-            setupGraphicParams();
-            await ReloadData(true);
+            await FullReloadData(true);
         }
 
         protected string translate(string lemma)
@@ -151,6 +157,12 @@ namespace WebDoorCreator.UI.Components.Hardware
 
         #region Private Methods
 
+        private async Task FullReloadData(bool isFirst)
+        {
+            setupCurrValues();
+            setupGraphicParams();
+            await ReloadData(isFirst);
+        }
         private async Task ReloadData(bool isFirst)
         {
             var tempListVal = await WDCService.ListValuesGetAll(HwCode, "Folder");