diff --git a/MP.SPEC/Components/ParamsFilter.razor b/MP.SPEC/Components/ParamsFilter.razor
index 1f289791..fe0ac1fa 100644
--- a/MP.SPEC/Components/ParamsFilter.razor
+++ b/MP.SPEC/Components/ParamsFilter.razor
@@ -1,96 +1,103 @@
-<div class="d-flex justify-content-between">
-    <div class="px-0">
-        @if (!liveUpdate)
-        {
-            <button class="btn btn-secondary" type="button" @onclick="() => toggleUpdate()">
-                <small>@lastUpdate</small>
-            </button>
-        }
-        else
-        {
-            <button class="btn btn-primary" type="button" @onclick="() => toggleUpdate()">
-                <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
-                Valori live
-            </button>
-        }
-    </div>
-
-    <div class="px-0">
-        <div class="d-flex justify-content-end">
-            @if (showEditPar)
+@if (ListFlux == null || ListMacchine == null)
+{
+    <LoadingDataSmall></LoadingDataSmall>
+}
+else
+{
+    <div class="d-flex justify-content-between">
+        <div class="px-0">
+            @if (!liveUpdate)
             {
-                <div class="px-2">
-                    <button class="btn btn-primary" @onclick="() => toggleParams()"> <i class="fa-solid fa-arrow-right"></i></button>
-                </div>
-                <div class="px-2">
-                    <select @bind="@selTempoAgg" class="form-select">
-                        <option value="2">2</option>
-                        <option value="3">3</option>
-                        <option value="4">4</option>
-                        <option value="5">5</option>
-                        <option value="6">6</option>
-                        <option value="7">7</option>
-                        <option value="8">8</option>
-                        <option value="9">9</option>
-                        <option value="10">10</option>
-                        <option value="11">11</option>
-                        <option value="12">12</option>
-                        <option value="13">13</option>
-                        <option value="14">14</option>
-                        <option value="15">15</option>
-                        <option value="16">16</option>
-                        <option value="17">17</option>
-                        <option value="18">18</option>
-                        <option value="19">19</option>
-                        <option value="20">20</option>
-                    </select>
-                </div>
-                <div class="px-2">
-                    <select @bind="@selMaxRecord" class="form-select">
-                        <option value="50">50</option>
-                        <option value="100">100</option>
-                        <option value="150">150</option>
-                        <option value="200">200</option>
-                        <option value="250">250</option>
-                        <option value="300">300</option>
-                        <option value="350">350</option>
-                        <option value="400">400</option>
-                        <option value="450">450</option>
-                        <option value="500">500</option>
-                    </select>
-                </div>
+                <button class="btn btn-secondary" type="button" @onclick="() => toggleUpdate()">
+                    <small>@lastUpdate</small>
+                </button>
             }
             else
             {
-                <div class="px-2">
-                    <button class="btn btn-primary" @onclick="() => toggleParams()"><i class="fa-solid fa-arrow-left"></i></button>
-                </div>
+                <button class="btn btn-primary" type="button" @onclick="() => toggleUpdate()">
+                    <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
+                    Valori live
+                </button>
             }
-            <div class="px-2">
-                <select @bind="@selMacchina" class="form-select">
-                    <option value="*">--- Tutti ---</option>
-                    @if (ListMacchine != null)
-                    {
-                        foreach (var item in ListMacchine)
+        </div>
+
+        <div class="px-0">
+            <div class="d-flex justify-content-end">
+                @if (showEditPar)
+                {
+                    <div class="px-2">
+                        <button class="btn btn-primary" @onclick="() => toggleParams()"> <i class="fa-solid fa-arrow-right"></i></button>
+                    </div>
+                    <div class="px-2">
+                        <select @bind="@selTempoAgg" class="form-select">
+                            <option value="2">2</option>
+                            <option value="3">3</option>
+                            <option value="4">4</option>
+                            <option value="5">5</option>
+                            <option value="6">6</option>
+                            <option value="7">7</option>
+                            <option value="8">8</option>
+                            <option value="9">9</option>
+                            <option value="10">10</option>
+                            <option value="11">11</option>
+                            <option value="12">12</option>
+                            <option value="13">13</option>
+                            <option value="14">14</option>
+                            <option value="15">15</option>
+                            <option value="16">16</option>
+                            <option value="17">17</option>
+                            <option value="18">18</option>
+                            <option value="19">19</option>
+                            <option value="20">20</option>
+                        </select>
+                    </div>
+                    <div class="px-2">
+                        <select @bind="@selMaxRecord" class="form-select">
+                            <option value="50">50</option>
+                            <option value="100">100</option>
+                            <option value="150">150</option>
+                            <option value="200">200</option>
+                            <option value="250">250</option>
+                            <option value="300">300</option>
+                            <option value="350">350</option>
+                            <option value="400">400</option>
+                            <option value="450">450</option>
+                            <option value="500">500</option>
+                        </select>
+                    </div>
+                }
+                else
+                {
+                    <div class="px-2">
+                        <button class="btn btn-primary" @onclick="() => toggleParams()"><i class="fa-solid fa-arrow-left"></i></button>
+                    </div>
+                }
+                <div class="px-2">
+                    <select @bind="@selMacchina" class="form-select">
+                        <option value="*">--- Tutti ---</option>
+                        @if (ListMacchine != null)
                         {
-                            <option value="@item">@item</option>
+                            foreach (var item in ListMacchine)
+                            {
+                                <option value="@item">@item</option>
+                            }
                         }
-                    }
-                </select>
-            </div>
-            <div class="px-2">
-                <select @bind="@selFlux" class="form-select">
-                    <option value="*">--- Tutti ---</option>
-                    @if (ListFlux != null)
-                    {
-                        foreach (var item in ListFlux)
+                    </select>
+                </div>
+                <div class="px-2">
+                    <select @bind="@selFlux" class="form-select">
+                        <option value="*">--- Tutti ---</option>
+                        @if (ListFlux != null)
                         {
-                            <option value="@item">@item</option>
+                            foreach (var item in ListFlux)
+                            {
+                                <option value="@item">@item</option>
+                            }
                         }
-                    }
-                </select>
+                    </select>
+                </div>
             </div>
         </div>
     </div>
-</div>
+}
 
diff --git a/MP.SPEC/Components/ParamsFilter.razor.cs b/MP.SPEC/Components/ParamsFilter.razor.cs
index 7d4fb5ea..05e20d8e 100644
--- a/MP.SPEC/Components/ParamsFilter.razor.cs
+++ b/MP.SPEC/Components/ParamsFilter.razor.cs
@@ -127,6 +127,7 @@ namespace MP.SPEC.Components
             SelFilter = new SelectFluxParams();
             ListMacchine = await MDService.MacchineWithFlux();
             ListFlux = await MDService.ParametriGetFilt(selMacchina);
+            await FilterChanged.InvokeAsync(SelFilter);
         }
 
         protected void toggleParams()
@@ -148,8 +149,8 @@ namespace MP.SPEC.Components
 
         #region Private Fields
 
-        private List<string>? ListFlux;
-        private List<string>? ListMacchine;
+        private List<string>? ListFlux = null;
+        private List<string>? ListMacchine = null;
 
         #endregion Private Fields
 
@@ -161,13 +162,6 @@ namespace MP.SPEC.Components
 
         #region Private Methods
 
-        private async Task reloadFiltFlux()
-        {
-            await Task.Delay(1);
-            ListFlux = await MDService.ParametriGetFilt(selMacchina);
-            await InvokeAsync(() => StateHasChanged());
-        }
-
         private void reportChange()
         {
             FilterChanged.InvokeAsync(SelFilter);
diff --git a/MP.SPEC/Pages/PARAMS.razor.cs b/MP.SPEC/Pages/PARAMS.razor.cs
index b373d661..b6505e4a 100644
--- a/MP.SPEC/Pages/PARAMS.razor.cs
+++ b/MP.SPEC/Pages/PARAMS.razor.cs
@@ -8,14 +8,14 @@ namespace MP.SPEC.Pages
     {
         #region Protected Fields
 
-        protected DataPager pagerODL;
+        protected DataPager pagerODL = null!;
 
         #endregion Protected Fields
 
         #region Protected Properties
 
         [Inject]
-        protected MessageService MsgService { get; set; }
+        protected MessageService MsgService { get; set; } = null!;
 
         #endregion Protected Properties
 
@@ -33,17 +33,15 @@ namespace MP.SPEC.Pages
             StateHasChanged();
         }
 
-        protected override async Task OnInitializedAsync()
+        protected override void OnInitialized()
         {
             isLoading = true;
-            // abilito ricerca...
-            MsgService.ShowSearch = false;
-            // resetto search
+            // disabilito ricerca...
             MsgService.SearchVal = "";
+            MsgService.ShowSearch = false;
+            // fix pagina
             currFilter.CurrPage = 1;
             currFilter.LiveUpdate = (currPage == 1);
-            await Task.Delay(1);
-            isLoading = false;
         }
 
         protected async Task pgResetReq(bool doReset)
@@ -63,7 +61,6 @@ namespace MP.SPEC.Pages
 
         #region Private Fields
 
-        private int _totalCount = 0;
 
         #endregion Private Fields
 
@@ -77,7 +74,7 @@ namespace MP.SPEC.Pages
             set => MsgService.currPage = value;
         }
 
-        private bool isLoading { get; set; } = false;
+        private bool isLoading { get; set; } = true;
 
         private int numRecord
         {
@@ -85,11 +82,7 @@ namespace MP.SPEC.Pages
             set => MsgService.numRecord = value;
         }
 
-        private int totalCount
-        {
-            get => _totalCount;
-            set => _totalCount = value;
-        }
+        private int totalCount { get; set; } = 0;
 
         #endregion Private Properties