diff --git a/MP.SPEC/Components/ListPARAMS.razor.cs b/MP.SPEC/Components/ListPARAMS.razor.cs
index 506d9efe..22bb17dd 100644
--- a/MP.SPEC/Components/ListPARAMS.razor.cs
+++ b/MP.SPEC/Components/ListPARAMS.razor.cs
@@ -45,8 +45,8 @@ namespace MP.SPEC.Components
                 if (_selFlux != value)
                 {
                     _selFlux = value;
-                    var pUpd = Task.Run(async () => await reloadData(false));
-                    pUpd.Wait();
+                    //var pUpd = Task.Run(async () => await reloadData(false));
+                    //pUpd.Wait();
                 }
             }
         }
@@ -60,8 +60,8 @@ namespace MP.SPEC.Components
                 if (_selMacchina != value)
                 {
                     _selMacchina = value;
-                    var pUpd = Task.Run(async () => await reloadData(false));
-                    pUpd.Wait();
+                    //var pUpd = Task.Run(async () => await reloadData(false));
+                    //pUpd.Wait();
                 }
             }
         }
diff --git a/MP.SPEC/Components/ParamsFilter.razor b/MP.SPEC/Components/ParamsFilter.razor
new file mode 100644
index 00000000..5cf43c6c
--- /dev/null
+++ b/MP.SPEC/Components/ParamsFilter.razor
@@ -0,0 +1,34 @@
+<div class="row">
+    <div class="col-6">
+    </div>
+    <div class="col-6 text-end">
+        <div class="d-flex justify-content-between">
+            <div class="px-2">
+            </div>
+            <div class="px-2">
+                <select @bind="@selMacchina" class="form-select">
+                    <option value="*">--- Tutti ---</option>
+                    @if (ListMacchine != null)
+                    {
+                        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)
+                        {
+                            <option value="@item">@item</option>
+                        }
+                    }
+                </select>
+            </div>
+        </div>
+    </div>
+</div>
diff --git a/MP.SPEC/Components/ParamsFilter.razor.cs b/MP.SPEC/Components/ParamsFilter.razor.cs
new file mode 100644
index 00000000..338e99af
--- /dev/null
+++ b/MP.SPEC/Components/ParamsFilter.razor.cs
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using System.Net.Http;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Components.Authorization;
+using Microsoft.AspNetCore.Components.Forms;
+using Microsoft.AspNetCore.Components.Routing;
+using Microsoft.AspNetCore.Components.Web;
+using Microsoft.AspNetCore.Components.Web.Virtualization;
+using Microsoft.JSInterop;
+using MP.SPEC;
+using MP.SPEC.Shared;
+using MP.SPEC.Components;
+using MP.SPEC.Data;
+
+namespace MP.SPEC.Components
+{
+    public partial class ParamsFilter
+    {
+        [Parameter]
+        public SelectFluxParams SelFilter { get; set; }
+
+        [Parameter]
+        public EventCallback<SelectFluxParams> FilterChanged { get; set; }
+
+        protected string selMacchina
+        {
+            get
+            {
+                return SelFilter.IdxMacchina;
+            }
+
+            set
+            {
+                if (!SelFilter.IdxMacchina.Equals(value))
+                {
+                    SelFilter.IdxMacchina = value;
+                    SelFilter.CodFlux = "*";
+                    Task.Delay(1);
+                    ListFlux = MDService.ParametriGetFilt(selMacchina).Result;
+                    Task.Delay(1);
+                    StateHasChanged();
+                    Task.Delay(1); 
+                    reportChange();
+                }
+            }
+        }
+
+        protected string selFlux
+        {
+            get
+            {
+                return SelFilter.CodFlux;
+            }
+
+            set
+            {
+                if (!SelFilter.CodFlux.Equals(value))
+                {
+                    SelFilter.CodFlux = value;
+                    reportChange();
+                }
+            }
+        }
+
+        private void reportChange()
+        {
+            FilterChanged.InvokeAsync(SelFilter);
+        }
+
+        protected override async Task OnInitializedAsync()
+        {
+            SelFilter = new SelectFluxParams();
+            ListMacchine = await MDService.MacchineWithFlux();
+            ListFlux = await MDService.ParametriGetFilt(selMacchina);
+        }
+
+
+        private List<string>? ListFlux;
+
+        private List<string>? ListMacchine;
+
+        [Inject]
+        protected MpDataService MDService { get; set; }
+
+
+        private async Task reloadFiltFlux()
+        {
+            await Task.Delay(1);
+            ListFlux = await MDService.ParametriGetFilt(selMacchina);
+            await InvokeAsync(() => StateHasChanged());
+        }
+    }
+}
\ No newline at end of file
diff --git a/MP.SPEC/Data/SelectFluxParams.cs b/MP.SPEC/Data/SelectFluxParams.cs
new file mode 100644
index 00000000..a783c5ef
--- /dev/null
+++ b/MP.SPEC/Data/SelectFluxParams.cs
@@ -0,0 +1,36 @@
+namespace MP.SPEC.Data
+{
+    public class SelectFluxParams
+    {
+        #region Public Properties
+
+        public string IdxMacchina { get; set; } = "*";
+        public string CodFlux { get; set; } = "*";
+
+        #endregion Public Properties
+
+        #region Public Methods
+
+
+
+        public override bool Equals(object obj)
+        {
+            if (!(obj is SelectFluxParams item))
+                return false;
+
+            if (IdxMacchina != item.IdxMacchina)
+                return false;
+            if (CodFlux != item.CodFlux)
+                return false;
+
+            return true;
+        }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
+
+        #endregion Public Methods
+    }
+}
diff --git a/MP.SPEC/Pages/PARAMS.razor b/MP.SPEC/Pages/PARAMS.razor
index 94f175d1..b1952d0d 100644
--- a/MP.SPEC/Pages/PARAMS.razor
+++ b/MP.SPEC/Pages/PARAMS.razor
@@ -11,7 +11,7 @@
                     @if (!liveUpdate)
                     {
                         <button class="btn btn-secondary" type="button" @onclick="() => toggleUpdate()">
-                           <small>@lastUpdate</small>
+                            <small>@lastUpdate</small>
                         </button>
                     }
                     else
@@ -29,7 +29,7 @@
             <div class="col-2">
             </div>
             <div class="col-5">
-                <div class="d-flex justify-content-between">
+                @*<div class="d-flex justify-content-between">
                     <div class="px-2">
                     </div>
                     <div class="px-2">
@@ -45,23 +45,34 @@
                         </select>
                     </div>
                     <div class="px-2">
-                        <select @bind="@selFlux" class="form-select">
-                            <option value="*">--- Tutti ---</option>
-                            @if (ListFlux != null)
-                            {
-                                foreach (var item in ListFlux)
+                        @if (!isLoading)
+                        {
+                            <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>*@
+                <ParamsFilter FilterChanged="updateFilter"></ParamsFilter>
             </div>
         </div>
     </div>
     <div class="card-body">
-        <ListPARAMS SelMacchina="@selMacchina" SelFlux="@selFlux" LiveUpdate="@liveUpdate" MaxRecord="@maxRecord" TotRecordChanged="@updateTotal"></ListPARAMS>
+        @if (isLoading)
+        {
+            <LoadingData></LoadingData>
+        }
+        else
+        {
+            <ListPARAMS SelMacchina="@selMacchina" SelFlux="@selFlux" LiveUpdate="@liveUpdate" MaxRecord="@maxRecord" TotRecordChanged="@updateTotal"></ListPARAMS>
+        }
     </div>
     <div class="card-footer py-1">
         <DataPager @ref="pagerODL" PageSize="numRecord" currPage="currPage" numRecordChanged="ForceReload" numPageChanged="ForceReloadPage" totalCount="totalCount" showLoading="isLoading" />
diff --git a/MP.SPEC/Pages/PARAMS.razor.cs b/MP.SPEC/Pages/PARAMS.razor.cs
index d3e49ce7..fc55bb4a 100644
--- a/MP.SPEC/Pages/PARAMS.razor.cs
+++ b/MP.SPEC/Pages/PARAMS.razor.cs
@@ -49,7 +49,7 @@ namespace MP.SPEC.Pages
 
         protected void ForceReloadPage(int newNum)
         {
-            liveUpdate = newNum == 1; 
+            liveUpdate = newNum == 1;
             currPage = newNum;
         }
 
@@ -60,6 +60,7 @@ namespace MP.SPEC.Pages
 
         protected override async Task OnInitializedAsync()
         {
+            isLoading = true;
             // abilito ricerca...
             MsgService.ShowSearch = false;
             // resetto search
@@ -70,6 +71,7 @@ namespace MP.SPEC.Pages
             lastUpdate = $"Updated: {DateTime.Now:yyyy/MM/dd HH:mm:ss}";
             await reloadFilters();
             await reloadData();
+            isLoading = false;
         }
 
         protected async Task pgResetReq(bool doReset)
@@ -149,9 +151,16 @@ namespace MP.SPEC.Pages
                 {
                     isLoading = true;
                     _selMacchina = value;
-                    //var pUpd = Task.Run(async () => await reloadFilters());
+                    //var pUpd = Task.Run(async () =>
+                    //{
+                    //    await reloadFilters();
+                    //    await InvokeAsync(() => StateHasChanged());
+                    //}
+                    //);
                     //pUpd.Wait();
-                    reloadFilters();
+
+                    //reloadFilters();
+
                     ForceReloadPage(1);
                     isLoading = false;
                 }
@@ -204,7 +213,18 @@ namespace MP.SPEC.Pages
             await Task.Delay(1);
             selFlux = "*";
             ListFlux = await MDService.ParametriGetFilt(selMacchina);
-            await InvokeAsync(()=> StateHasChanged());
+            await InvokeAsync(() => StateHasChanged());
+        }
+
+        private async Task updateFilter(SelectFluxParams newParams)
+        {
+            isLoading = true;
+            await InvokeAsync(() => StateHasChanged());
+            selMacchina = newParams.IdxMacchina;
+            selFlux = newParams.CodFlux;
+            //ForceReloadPage();
+            await InvokeAsync(() => StateHasChanged());
+            isLoading = false;
         }
 
         #endregion Private Methods
diff --git a/MP.SPEC/Pages/PODL.razor b/MP.SPEC/Pages/PODL.razor
index 04dfa344..b8288634 100644
--- a/MP.SPEC/Pages/PODL.razor
+++ b/MP.SPEC/Pages/PODL.razor
@@ -194,7 +194,14 @@
 
     </div>
     <div class="card-body">
-        <ListPODL PagerResetReq="pgResetReq" RecordSel="@selRecord"></ListPODL>
+        @if (isLoading)
+        {
+            <LoadingData></LoadingData>
+        }
+        else
+        {
+            <ListPODL PagerResetReq="pgResetReq" RecordSel="@selRecord"></ListPODL>
+        }
     </div>
     <div class="card-footer py-1">
         <DataPager @ref="pagerODL" PageSize="numRecord" currPage="currPage" numRecordChanged="ForceReload" numPageChanged="ForceReloadPage" totalCount="totalCount" showLoading="isLoading" />