diff --git a/MP-TAB/MP-TAB.Client/Components/HistTCFilt.razor b/MP-TAB/MP-TAB.Client/Components/TcHistoryFilter.razor
similarity index 60%
rename from MP-TAB/MP-TAB.Client/Components/HistTCFilt.razor
rename to MP-TAB/MP-TAB.Client/Components/TcHistoryFilter.razor
index 39cb87f3..ea9fd4db 100644
--- a/MP-TAB/MP-TAB.Client/Components/HistTCFilt.razor
+++ b/MP-TAB/MP-TAB.Client/Components/TcHistoryFilter.razor
@@ -1,39 +1,48 @@
 @using NLog;
 @using System.Net.Http
 @using System.Net.Http.Json
-
 @inject HttpClient Http
 
 <div class="row small">
     <div class="col-12 col-md-3 mb-2">
         <div class="form-floating small">
-            <input type="text" class="form-control" @bind="SearchVal">
-            <label for="floatingInput"><i class="fa-solid fa-magnifying-glass"></i> Articolo (3+ char)</label>
+            <input type="text" class="form-control" @bind="SearchVal" @bind:after="ReloadArticoli">
+            <label><i class="fa-solid fa-magnifying-glass"></i> Articolo (3+ char)</label>
         </div>
     </div>
     <div class="col-12 col-md-6 mb-2">
-        <div class="form-floating">
-            <select class="form-select form-select-sm" disabled="@ListArtDisabled" @bind="@CodArtSel">
-                <option value="" selected>-- Nessuno --</option>
-                @if (ListArticoli == null)
-                {
-                    <option value="" disabled>No record found</option>
-                }
-                else
-                {
-                    @foreach (var item in ListArticoli)
-                    {
-                        <option value="@item.Key">@item.Value</option>
-                    }
-                }
-            </select>
-            <label for="floatingSelect">Selezione Articolo (@DisplayCount / <b>@TotalCount</b>)</label>
+        <div class="row">
+            <div class="col-10 pe-0">
+                <div class="form-floating">
+                    <select class="form-select form-select-sm" disabled="@ListArtDisabled" @bind="@CodArtSel" @bind:after="ReloadMacchine">
+                        <option value="" selected>-- Nessuno --</option>
+                        @if (ListArticoli == null)
+                        {
+                            <option value="" disabled>No record found</option>
+                        }
+                        else
+                        {
+                            @foreach (var item in ListArticoli)
+                            {
+                                <option value="@item.Key">@item.Value</option>
+                            }
+                        }
+                    </select>
+                    <label for="floatingSelect">Selezione Articolo (@DisplayCount / <b>@TotalCount</b>)</label>
+                </div>
+            </div>
+            <div class="col-2 ps-0">
+                <div class="form-floating small">
+                    <input type="number" class="form-control text-end" @bind="Num2Displ" disabled="@ListArtDisabled">
+                    <label>Max Displ</label>
+                </div>
+            </div>
         </div>
     </div>
     <div class="col-12 col-md-3 mb-2">
         <div class="form-floating">
             <select class="form-select form-select-sm" disabled="@ListMacDisabled" @bind="@IdxMaccSel">
-                <option value="" selected>-- Nessuno --</option>
+                <option value="" selected>-- Tutti --</option>
                 @if (ListMacchineAll == null)
                 {
                     <option value="" disabled>No record found</option>
@@ -53,26 +62,38 @@
 
 @code {
 
-    protected override async Task OnParametersSetAsync()
+    [Parameter]
+    public int SearchMinChar { get; set; }
+    [Parameter]
+    public EventCallback<string> E_SearchUpd { get; set; }
+
+
+    [Parameter]
+    public int MatrOpr { get; set; } = 102;
+    [Parameter]
+    public string Title { get; set; } = "TC History";
+
+    protected override async Task OnInitializedAsync()
     {
         await ReloadAllData();
     }
 
-    // protected override Task OnInitializedAsync()
-    // {
-    //     return base.OnInitializedAsync();
-    // }
-
-    string BaseAddr = "https://localhost:7057/MP/TAB2/";
+    private string BaseAddr = "https://localhost:7057/MP/TAB2/";
 
     protected async Task ReloadAllData()
     {
         await ReloadArticoli();
         await ReloadMacchine();
     }
+
     protected async Task ReloadArticoli()
     {
-        bool done = false;
+        await GetArticoli();
+        FiltArticoli();
+    }
+
+    protected async Task GetArticoli()
+    {
         if (!ListArtDisabled)
         {
             string ApiUrl = $"{BaseAddr}api/ListSelect/GetDictArticoli?SearchArt={SearchVal}";
@@ -81,7 +102,13 @@
             {
                 ListArticoliAll = rawData;
             }
-
+        }
+    }
+    protected void FiltArticoli()
+    {
+        bool done = false;
+        if (!ListArtDisabled)
+        {
             if (ListArticoliAll != null)
             {
                 TotalCount = ListArticoliAll.Count;
@@ -119,12 +146,6 @@
         get => string.IsNullOrEmpty(CodArtSel);
     }
 
-    protected async Task FixDisplay()
-    {
-        await InvokeAsync(StateHasChanged);
-    }
-
-
     protected string SearchVal
     {
         get => searchVal;
@@ -133,27 +154,18 @@
             if (searchVal != value)
             {
                 searchVal = value;
-                try
-                {
-                    var pUpd = Task.Run(async () =>
-                    {
-                        await ReloadArticoli();
-                    });
-                    pUpd.Wait();
-                }
-                catch (Exception exc)
-                {
-                    Log.Error($"SearchVal{Environment.NewLine}{exc}");
-                }
+                // // var pUpd = Task.Run(async () =>
+                // // {
+                // //     await ReloadArticoli();
+                // //     FiltArticoli();
+                // // });
+                // // pUpd.Wait();
+
+                // ReloadArticoli().ConfigureAwait(false);
             }
         }
     }
 
-    private static NLog.Logger Log = LogManager.GetCurrentClassLogger();
-
-    private string searchVal { get; set; } = "";
-
-
     protected string CodArtSel
     {
         get => codArtSel;
@@ -162,64 +174,42 @@
             if (codArtSel != value)
             {
                 codArtSel = value;
-                // try
-                // {
-                    var pUpd = Task.Run(async () =>
-                       {
-                           await ReloadMacchine();
-                       });
-                    pUpd.Wait();
-                // }
-                // catch (Exception exc)
-                // {
-                //     Log.Error($"CodArtSel{Environment.NewLine}{exc}");
-                // }
+                // var pUpd = Task.Run(async () =>
+                //    {
+                //        await ReloadMacchine();
+                //    });
+                // pUpd.Wait();
+                ReloadMacchine().ConfigureAwait(false);
+                // StateHasChanged();
             }
         }
     }
+
+
+
+    protected int Num2Displ
+    {
+        get => num2Displ;
+        set
+        {
+            if (num2Displ != value)
+            {
+                num2Displ = value;
+                FiltArticoli();
+            }
+        }
+    }
+
     protected string IdxMaccSel { get; set; } = "";
-
-
-    private string codArtSel { get; set; } = "";
-
     protected Dictionary<string, string> ListMacchineAll { get; set; } = new Dictionary<string, string>();
     protected Dictionary<string, string> ListArticoliAll { get; set; } = new Dictionary<string, string>();
     protected Dictionary<string, string>? ListArticoli { get; set; } = null;
-
-
-
-    [Parameter]
-    public int SearchMinChar { get; set; }
-    [Parameter]
-    public EventCallback<string> E_SearchUpd { get; set; }
-
-
-
-
-    [Parameter]
-    public int MatrOpr { get; set; } = 102;
-    [Parameter]
-    public string Title { get; set; } = "TC History";
-
-
-    protected int Num2Displ { get; set; } = 50;
     protected int TotalCount { get; set; } = 0;
     protected int DisplayCount { get; set; } = 0;
 
 
-
-
-    protected void LoadMore()
-    {
-        ListArticoli = null;
-        // await Task.Delay(1);
-        Num2Displ += 10;
-        Num2Displ = Num2Displ < TotalCount ? Num2Displ : TotalCount;
-        // ListArticoli = ListArticoliAll.Take(Num2Displ).ToList();
-    }
-
-
-
-
-
+    private string searchVal { get; set; } = "";
+    private string codArtSel { get; set; } = "";
+    private int num2Displ { get; set; } = 20;
+    private static NLog.Logger Log = LogManager.GetCurrentClassLogger();
 }
diff --git a/MP-TAB/MP-TAB.Client/Pages/TCHistory.razor b/MP-TAB/MP-TAB.Client/Pages/TCHistory.razor
index 1050bc4e..86b3dfaa 100644
--- a/MP-TAB/MP-TAB.Client/Pages/TCHistory.razor
+++ b/MP-TAB/MP-TAB.Client/Pages/TCHistory.razor
@@ -1,46 +1,25 @@
-@* @attribute [RenderModeAuto] *@
-@attribute [RenderModeServer]
+@attribute [RenderModeAuto]
+@* @attribute [RenderModeServer] *@
 
 <div class="card">
     <div class="card-header">
-        <MP_TAB.Client.Components.HistTCFilt Title="Storico Tempi Ciclo" SearchMinChar="@SearchMinChar" E_SearchUpd="RepSearchUpd"></MP_TAB.Client.Components.HistTCFilt>
-
+        <MP_TAB.Client.Components.TcHistoryFilter Title="Storico Tempi Ciclo" SearchMinChar="@SearchMinChar" E_SearchUpd="RepSearchUpd" MatrOpr="@MatrOpr"></MP_TAB.Client.Components.TcHistoryFilter>
     </div>
     <div class="card-body">
-        @if (ListArticoli != null)
-        {
-            <b>griglia risultati</b>
-            @* <div style="height: 200px;overflow-y:scroll">
-        <Virtualize Items="@ListArticoli" OverscanCount="6" ItemSize="10">
-        <ItemContent>
-        <p>@context.CodArticolo | @context.DescArticolo</p>
-        </ItemContent>
-        <Placeholder>
-        <p>Loading...</p>
-        </Placeholder>
-        <EmptyContent>
-        <p>
-        There are no strings to display.
-        </p>
-        </EmptyContent>
-        </Virtualize>
-        </div> *@
-        }
+        <b>griglia risultati</b>
+
     </div>
 </div>
 
 @code {
     [Parameter]
-    public List<AnagArticoli>? ListArticoli { get; set; }
+    public int MatrOpr { get; set; } = 0;
 
-    [Parameter]
-    public int SearchMinChar { get; set; }
-
-    [Parameter]
-    public EventCallback<string> E_FiltSearchUpd { get; set; }
+    protected int SearchMinChar = 3;
 
     protected async Task RepSearchUpd(string newSearch)
     {
-        await E_FiltSearchUpd.InvokeAsync(newSearch);
+        await Task.Delay(1);
+        // await E_FiltSearchUpd.InvokeAsync(newSearch);
     }
 }
diff --git a/MP-TAB/MP-TAB/Components/Pages/TCHistory.razor b/MP-TAB/MP-TAB/Components/Pages/TCHistory.razor
index 057c85d3..776a9a8c 100644
--- a/MP-TAB/MP-TAB/Components/Pages/TCHistory.razor
+++ b/MP-TAB/MP-TAB/Components/Pages/TCHistory.razor
@@ -1,4 +1,16 @@
 @page "/tc-history"
 
+@using MP_TAB.Data
+@inject UserServ UDataServ
 
-<MP_TAB.Client.Pages.TCHistory></MP_TAB.Client.Pages.TCHistory>
+<MP_TAB.Client.Pages.TCHistory MatrOpr="@MatrOpr"></MP_TAB.Client.Pages.TCHistory>
+
+@code{
+
+    private int MatrOpr { get; set; } = 0;
+
+    protected override void OnInitialized()
+    {
+        MatrOpr = UDataServ.MatrOpr;
+    }
+}
\ No newline at end of file
diff --git a/MP-TAB/MP-TAB/Data/UserServ.cs b/MP-TAB/MP-TAB/Data/UserServ.cs
new file mode 100644
index 00000000..fbca0d01
--- /dev/null
+++ b/MP-TAB/MP-TAB/Data/UserServ.cs
@@ -0,0 +1,12 @@
+namespace MP_TAB.Data
+{
+    public class UserServ
+    {
+
+        /// <summary>
+        /// Matricola operatore corrente (x filtraggio dati)
+        /// ToDo: gestire login!!!
+        /// </summary>
+        public int MatrOpr = 102;
+    }
+}
diff --git a/MP-TAB/MP-TAB/Program.cs b/MP-TAB/MP-TAB/Program.cs
index b1fd9e4c..81879e61 100644
--- a/MP-TAB/MP-TAB/Program.cs
+++ b/MP-TAB/MP-TAB/Program.cs
@@ -2,6 +2,7 @@ using MP_TAB.Components;
 using MP.Data.Services;
 using StackExchange.Redis;
 using Microsoft.Net.Http.Headers;
+using MP_TAB.Data;
 
 var builder = WebApplication.CreateBuilder(args);
 ConfigurationManager configuration = builder.Configuration;
@@ -16,6 +17,7 @@ var redisMultiplexer = ConnectionMultiplexer.Connect(connStringRedis);
 builder.Services.AddSingleton<IConnectionMultiplexer>(redisMultiplexer);
 builder.Services.AddSingleton<StatusData>();
 builder.Services.AddSingleton<ListSelectDataSrv>();
+builder.Services.AddScoped<UserServ>();
 
 // nuova versione contenuti...
 builder.Services.AddRazorComponents()
diff --git a/MP.Data/Controllers/MpSpecController.cs b/MP.Data/Controllers/MpSpecController.cs
index 85163492..f0952b6a 100644
--- a/MP.Data/Controllers/MpSpecController.cs
+++ b/MP.Data/Controllers/MpSpecController.cs
@@ -183,10 +183,9 @@ namespace MP.Data.Controllers
             using (var dbCtx = new MoonProContext(_configuration))
             {
                 dbResult = dbCtx
-                .DbSetArticoli
+                    .DbSetArticoli
                     .AsNoTracking()
                     .Where(x => (azienda == "*" || x.Azienda == azienda ) && (string.IsNullOrEmpty(searchVal) || x.CodArticolo.Contains(searchVal) || x.DescArticolo.Contains(searchVal) || x.Disegno.Contains(searchVal) ))
-                    //.AsNoTracking()
                     .OrderBy(x => x.CodArticolo)
                     .Take(numRecord)
                     .ToList();