diff --git a/MP.INVE/Components/ListQrOpr.razor b/MP.INVE/Components/ListQrOpr.razor
index 2dacecea..0a35a81b 100644
--- a/MP.INVE/Components/ListQrOpr.razor
+++ b/MP.INVE/Components/ListQrOpr.razor
@@ -1,8 +1,8 @@
-@if (elencoOPeratori != null)
+@if (elencoOperatori != null)
 {
     <div class="d-flex justify-content-between" style="flex-flow: wrap;">
 
-        @foreach (var item in elencoOPeratori)
+        @foreach (var item in elencoOperatori)
         {
             <div class="card col-4">
                 <div class="card-header list-group-item-info">
diff --git a/MP.INVE/Components/ListQrOpr.razor.cs b/MP.INVE/Components/ListQrOpr.razor.cs
index de0eb3a7..7817e756 100644
--- a/MP.INVE/Components/ListQrOpr.razor.cs
+++ b/MP.INVE/Components/ListQrOpr.razor.cs
@@ -1,65 +1,58 @@
-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.INVE;
-using MP.INVE.Shared;
-using MP.INVE.Components;
-using MP.INVE.Data;
 using MP.Data.DatabaseModels;
+using MP.INVE.Data;
 
 namespace MP.INVE.Components
 {
     public partial class ListQrOpr
     {
+        #region Public Properties
+
         [Parameter]
         public SelectQrOperatoreParams currParams { get; set; } = null!;
 
         [Parameter]
         public bool isLoading { get; set; }
 
-        [Inject]
-        protected MiDataService MIService { get; set; } = null!;
-        [Inject]
-        private IConfiguration Configuration { get; set; } = null!;
-        protected List<AnagOperatoriModel>? elencoOPeratori = new List<AnagOperatoriModel>();
+        [Parameter]
+        public EventCallback<int> TotalChanged { get; set; }
+
+
+        private SelectQrOperatoreParams? lastParams { get; set; } = null;
+
+        #endregion Public Properties
+
+        #region Protected Fields
+
+        protected List<AnagOperatoriModel>? elencoOperatori = new List<AnagOperatoriModel>();
+
         protected List<AnagOperatoriModel>? SearchRecords = new List<AnagOperatoriModel>();
-        [Inject]
-        protected IJSRuntime JSRuntime { get; set; } = null!;
-        protected override async Task OnAfterRenderAsync(bool firstRender)
-        {
-            await Task.Delay(50);
-            if (firstRender)
-            {
-                //await reloadData(true);
-            }
-        }
-        protected override async Task OnParametersSetAsync()
-        {
-            await reloadData(true);
-        }
-        private int _idOperatore = 0;
-        protected int idOperatore
-        {
-            get => _idOperatore;
-            set => _idOperatore = value;
-        }
-        private string _authKey = "";
+
+        #endregion Protected Fields
+
+        #region Protected Properties
+
         protected string authKey
         {
             get => _authKey;
             set => _authKey = value;
         }
+
         protected string BaseUrlTab { get => $"{Configuration["ServerConf:BaseUrlJumper"]}"; }
+
+        protected int idOperatore
+        {
+            get => _idOperatore;
+            set => _idOperatore = value;
+        }
+
+        [Inject]
+        protected IJSRuntime JSRuntime { get; set; } = null!;
+
+        [Inject]
+        protected MiDataService MIService { get; set; } = null!;
+
         protected string rawCode
         {
             get
@@ -70,23 +63,89 @@ namespace MP.INVE.Components
             }
         }
 
+        #endregion Protected Properties
+
+        #region Protected Methods
+
+        //protected override async Task OnAfterRenderAsync(bool firstRender)
+        //{
+        //    await Task.Delay(50);
+        //    if (firstRender)
+        //    {
+        //        //await reloadData(true);
+        //    }
+        //}
+
+        protected override async Task OnParametersSetAsync()
+        {
+            bool doReload = lastParams == null;
+            if (doReload || !currParams.Equals(lastParams))
+            {
+                lastParams = currParams.Clone();
+                await reloadData(true);
+            }
+        }
+
+        #endregion Protected Methods
+
+        #region Private Fields
+
+        private string _authKey = "";
+
+        private int _idOperatore = 0;
+
+        private int _totalCount = 0;
+
+        #endregion Private Fields
+
+        #region Private Properties
+
+        [Inject]
+        private IConfiguration Configuration { get; set; } = null!;
+
+        private int currPage
+        {
+            get => currParams.CurrPage;
+        }
+
+        private int numRecord
+        {
+            get => currParams.NumRec;
+        }
+
+        private int totalCount
+        {
+            get => _totalCount;
+            set
+            {
+                if (_totalCount != value)
+                {
+                    _totalCount = value;
+                    TotalChanged.InvokeAsync(value);
+                }
+            }
+        }
+
+        #endregion Private Properties
+
+        #region Private Methods
+
         private async Task reloadData(bool first)
         {
-            elencoOPeratori = null;
+            elencoOperatori = null;
             isLoading = true;
             SearchRecords = MIService.ElencoOperatori();
             totalCount = SearchRecords.Count;
-            elencoOPeratori = SearchRecords.Skip(numRecord * (currPage - 1)).Take(numRecord).ToList();
+            elencoOperatori = SearchRecords.Skip(numRecord * (currPage - 1)).Take(numRecord).ToList();
             await Task.Delay(1);
             await InvokeAsync(() => StateHasChanged());
             await Task.Delay(1);
 
             if (first)
             {
-                if (elencoOPeratori != null)
+                if (elencoOperatori != null)
                 {
-
-                    foreach (var item in elencoOPeratori)
+                    foreach (var item in elencoOperatori)
                     {
                         idOperatore = item.MatrOpr;
                         authKey = MIService.EncriptData(item.authKey);
@@ -98,33 +157,7 @@ namespace MP.INVE.Components
             }
             isLoading = false;
         }
-        private int numRecord
-        {
-            get => currParams.NumRec;
-            set
-            {
-                currParams.NumRec = value;
-                StateHasChanged();
-            }
-        }
-        private int currPage
-        {
-            get => currParams.CurrPage;
-            set
-            {
-                currParams.CurrPage = value;
-                StateHasChanged();
-            }
-        }
 
-        private int totalCount
-        {
-            get => currParams.TotCount;
-            set
-            {
-                currParams.TotCount = value;
-                StateHasChanged();
-            }
-        }
+        #endregion Private Methods
     }
 }
\ No newline at end of file
diff --git a/MP.INVE/Data/SelectQrOperatoreParams.cs b/MP.INVE/Data/SelectQrOperatoreParams.cs
index 7389981c..2bf61c34 100644
--- a/MP.INVE/Data/SelectQrOperatoreParams.cs
+++ b/MP.INVE/Data/SelectQrOperatoreParams.cs
@@ -1,6 +1,4 @@
-using MP.Data;
-
-namespace MP.INVE.Data
+namespace MP.INVE.Data
 {
     public class SelectQrOperatoreParams
     {
@@ -14,15 +12,21 @@ namespace MP.INVE.Data
         #region Public Properties
 
         public int CurrPage { get; set; } = 1;
+
+        public int MaxRecord { get; set; } = 100;
+
         public int NumRec { get; set; } = 6;
-        public int TotCount { get; set; } = 0;
-        public int MaxRecord { get; set; } = 100;       
         public string searchVal { get; set; } = "";
 
         #endregion Public Properties
 
         #region Public Methods
 
+        public SelectQrOperatoreParams Clone()
+        {
+            return (SelectQrOperatoreParams)this.MemberwiseClone();
+        }
+
         public override bool Equals(object obj)
         {
             if (!(obj is SelectQrOperatoreParams item))
@@ -34,15 +38,12 @@ namespace MP.INVE.Data
             if (MaxRecord != item.MaxRecord)
                 return false;
 
-            if (TotCount != item.TotCount)
-                return false;
-
             if (NumRec != item.NumRec)
+                return false;
 
             if (CurrPage != item.CurrPage)
                 return false;
 
-
             return true;
         }
 
diff --git a/MP.INVE/MP.INVE.csproj b/MP.INVE/MP.INVE.csproj
index d76a5476..0b353cef 100644
--- a/MP.INVE/MP.INVE.csproj
+++ b/MP.INVE/MP.INVE.csproj
@@ -5,7 +5,7 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>MP.INVE</RootNamespace>
-    <Version>6.16.2212.2811</Version>
+    <Version>6.16.2212.2812</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/MP.INVE/Pages/OperatoreQR.razor b/MP.INVE/Pages/OperatoreQR.razor
index 0248ee20..a3e0cc4c 100644
--- a/MP.INVE/Pages/OperatoreQR.razor
+++ b/MP.INVE/Pages/OperatoreQR.razor
@@ -13,7 +13,7 @@
         }
         else
         {
-            <ListQrOpr currParams="@currParams" isLoading="@isLoading"></ListQrOpr>
+            <ListQrOpr currParams="@currParams" isLoading="@isLoading" TotalChanged="UpdateTotCount"></ListQrOpr>
         }
     </div>
     <div class="card-footer py-1">
diff --git a/MP.INVE/Pages/OperatoreQR.razor.cs b/MP.INVE/Pages/OperatoreQR.razor.cs
index 775f9cfe..2dbd3310 100644
--- a/MP.INVE/Pages/OperatoreQR.razor.cs
+++ b/MP.INVE/Pages/OperatoreQR.razor.cs
@@ -1,65 +1,54 @@
-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.INVE;
-using MP.INVE.Shared;
-using MP.INVE.Components;
 using MP.Data.DatabaseModels;
 using MP.INVE.Data;
-using Microsoft.AspNetCore.Http;
 
 namespace MP.INVE.Pages
 {
     public partial class OperatoreQR
     {
-        [Inject]
-        protected MiDataService MIService { get; set; } = null!;
-        [Inject]
-        protected IJSRuntime JSRuntime { get; set; } = null!;
-        [Inject]
-        private IConfiguration Configuration { get; set; } = null!;
+        #region Protected Fields
+
+        protected SelectQrOperatoreParams currParams = new SelectQrOperatoreParams();
 
         protected List<AnagOperatoriModel> listOperatori = new List<AnagOperatoriModel>();
 
-        protected SelectQrOperatoreParams currParams = new SelectQrOperatoreParams();
+        #endregion Protected Fields
+
+        #region Protected Properties
+
+        [Inject]
+        protected IJSRuntime JSRuntime { get; set; } = null!;
+
+        [Inject]
+        protected MiDataService MIService { get; set; } = null!;
+
+        #endregion Protected Properties
+
+        #region Protected Methods
+
+        protected void ForceReload(int newNum)
+        {
+            numRecord = newNum;
+        }
+
+        protected void ForceReloadPage(int newNum)
+        {
+            currPage = newNum;
+        }
 
         protected override async Task OnInitializedAsync()
         {
             await Task.Delay(1);
         }
-       
-        private int totalCount
-        {
-            get => currParams.TotCount;
-            set
-            {
-                if (currParams.TotCount != value)
-                {
-                    currParams.TotCount = value;
-                }
-            }
-        }
-        private int numRecord
-        {
-            get => currParams.NumRec;
-            set
-            {
-                if (currParams.NumRec != value)
-                {
-                    currParams.NumRec = value;
-                }
-            }
-        }
+
+        #endregion Protected Methods
+
+        #region Private Properties
+
+        [Inject]
+        private IConfiguration Configuration { get; set; } = null!;
+
         private int currPage
         {
             get => currParams.CurrPage;
@@ -71,15 +60,38 @@ namespace MP.INVE.Pages
                 }
             }
         }
-        protected void ForceReload(int newNum)
+
+        private bool isLoading { get; set; } = false;
+
+        private int numRecord
         {
-            numRecord = newNum;
+            get => currParams.NumRec;
+            set
+            {
+                if (currParams.NumRec != value)
+                {
+                    currParams.NumRec = value;
+                }
+            }
+        }
+        protected void UpdateTotCount(int newTotCount)
+        {
+            totalCount = newTotCount;
         }
 
-        protected void ForceReloadPage(int newNum)
-        {
-            currPage = newNum;
-        }
-        private bool isLoading { get; set; } = false;
+
+        private int totalCount { get; set; } = 0;
+        //{
+        //    get => currParams.TotCount;
+        //    set
+        //    {
+        //        if (currParams.TotCount != value)
+        //        {
+        //            currParams.TotCount = value;
+        //        }
+        //    }
+        //}
+
+        #endregion Private Properties
     }
 }
\ No newline at end of file
diff --git a/MP.INVE/Resources/ChangeLog.html b/MP.INVE/Resources/ChangeLog.html
index 44eac6a3..1b0f1be9 100644
--- a/MP.INVE/Resources/ChangeLog.html
+++ b/MP.INVE/Resources/ChangeLog.html
@@ -1,6 +1,6 @@
 <body>
     <i>Modulo MAPOINVE </i>
-    <h4>Versione: 6.16.2212.2811</h4>
+    <h4>Versione: 6.16.2212.2812</h4>
     <br /> Note di rilascio:
     <ul>
         <li>
diff --git a/MP.INVE/Resources/VersNum.txt b/MP.INVE/Resources/VersNum.txt
index b679ce0d..65e0e45e 100644
--- a/MP.INVE/Resources/VersNum.txt
+++ b/MP.INVE/Resources/VersNum.txt
@@ -1 +1 @@
-6.16.2212.2811
+6.16.2212.2812
diff --git a/MP.INVE/Resources/manifest.xml b/MP.INVE/Resources/manifest.xml
index 30367142..7cea4f89 100644
--- a/MP.INVE/Resources/manifest.xml
+++ b/MP.INVE/Resources/manifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <item>
-  <version>6.16.2212.2811</version>
+  <version>6.16.2212.2812</version>
   <url>https://nexus.steamware.net/repository/SWS/MP-INVE/stable/LAST/MP.INVE.zip</url>
   <changelog>https://nexus.steamware.net/repository/SWS/MP-INVE/stable/LAST/ChangeLog.html</changelog>
   <mandatory>false</mandatory>