diff --git a/MP.SPEC/Components/ParamsFilter.razor b/MP.SPEC/Components/ParamsFilter.razor
index be6a984b..b9b098fc 100644
--- a/MP.SPEC/Components/ParamsFilter.razor
+++ b/MP.SPEC/Components/ParamsFilter.razor
@@ -94,10 +94,10 @@
         {
             <div class="px-0 py-1">
                 <div class="px-2 input-group">
-
-                    @if (selDtMax == null)
+                    @if (selDt)
                     {
-                        <button class="btn btn-primary" @onclick="() => setDtMax()"><i class="fa-regular fa-calendar-check"></i></button>
+
+                        <button class="btn btn-primary btn-block" @onclick="toggleSelDt" title="Hide Parameters">OPEN</button>
                     }
                     else
                     {
@@ -105,8 +105,7 @@
                         <input class="form-control" @bind="@selDtMin" type="datetime-local" title="Data minima eventi da visualizzare">
                         <label class="input-group-text" for="flusso" title="Selezionare la data massima eventi da visualizzare"><i class="fa-regular fa-calendar-plus"></i></label>
                         <input class="form-control" @bind="@selDtMax" type="datetime-local" title="Selezionare la data massima eventi da visualizzare">
-                        <button class="btn btn-primary" @onclick="() => untoggleSelDt()"><i class="fa-regular fa-calendar-check"></i></button>
-
+                        <button class="btn btn-primary btn-block" @onclick="untoggleSelDt" title="Hide Parameters">CLOSE</button>
                     }
                 </div>
             </div>
diff --git a/MP.SPEC/Components/ParamsFilter.razor.cs b/MP.SPEC/Components/ParamsFilter.razor.cs
index 8093512e..76cd2905 100644
--- a/MP.SPEC/Components/ParamsFilter.razor.cs
+++ b/MP.SPEC/Components/ParamsFilter.razor.cs
@@ -186,14 +186,14 @@ namespace MP.SPEC.Components
             // copio il filtro
             var currFilt = SelFilter;
             // fermo update
-            currFilt.LiveUpdate = false;
+            //currFilt.LiveUpdate = false;
             currFilt.CurrPage = 0;
             currFilt.lastUpdate = $"{DateTime.Now:yyyy/MM/dd HH:mm:ss}";
             currFilt.dtMax = RoundDatetime(5);
             currFilt.dtMin = RoundDatetime(5).AddHours(-numOreAnticipoSnapshot);
             SelFilter = currFilt;
         }
-        
+
 
         protected void startTimer()
         {
@@ -318,9 +318,20 @@ namespace MP.SPEC.Components
         }
         private void untoggleSelDt()
         {
-            selDt = true;
+            selDt = false;
             liveUpdate = true;
         }
+        private void toggleSelDt()
+        {
+            selDt = true;
+            liveUpdate = false;
+
+            if (selDtMax == null)
+            {
+                setDtMax();
+            }
+
+        }
 
         #endregion Private Methods
     }