diff --git a/TIAMSharedUI/Shared/ComboboxItemSelector.razor b/TIAMSharedUI/Shared/ComboboxItemSelector.razor
index 9195bb66..fce38927 100644
--- a/TIAMSharedUI/Shared/ComboboxItemSelector.razor
+++ b/TIAMSharedUI/Shared/ComboboxItemSelector.razor
@@ -1,7 +1,9 @@
 @using System.Linq.Expressions
 @using AyCode.Core.Extensions
+@using AyCode.Core.Helpers
 @using AyCode.Core.Loggers
 @using AyCode.Services.Loggers
+@using AyCode.Services.SignalRs
 @using TIAM.Core.Loggers
 @using TIAM.Entities.Products
 @using TIAM.Entities.Transfers
@@ -79,7 +81,7 @@
 
     [Parameter] public Guid? ProductId { get; set; }
 
-    public List<TransferDestination> Destinations = new List<TransferDestination>();
+    public List<TransferDestination> Destinations = [];
 
     public DxTextBox TextField;
 
@@ -87,22 +89,21 @@
 
     ILogger _logger;
 
-    IEnumerable<TransferDestination> Data { get; set; }
+    List<TransferDestination> Data { get; set; } = [];
 
     private string Address { get; set; }
     private string ValidationMessage { get; set; }
 
-    private TransferDestination _selectedDestination;
-    public TransferDestination SelectedDestination
+    private TransferDestination? _selectedDestination;
+    public TransferDestination? SelectedDestination
     {
         get => _selectedDestination;
         set
         {
-            if (_selectedDestination != value)
-            {
-                _selectedDestination = value;
-                SetNewDestination(value.AddressString!);
-            }
+            if (_selectedDestination == value) return;
+
+            _selectedDestination = value;
+            SetNewDestination(value?.AddressString ?? string.Empty);
         }
     }
 
@@ -115,8 +116,6 @@
     {
         _logger = new LoggerClient<ComboboxItemSelector>(LogWriters.ToArray());
 
-        Data = await _adminSignalRClient.GetAllAsync<List<TransferDestination>>(SignalRTags.GetAllTransferDestinations);
-
         Guid? productAddressId = Guid.Empty;
         if (!ProductId.IsNullOrEmpty())
         {
@@ -130,16 +129,28 @@
             }
         }
 
-        _logger.Debug($"List length: {Data.Count().ToString()}");
-        if (Data.Any(x => x.AddressId == (Guid)productAddressId))
+        _adminSignalRClient.GetAllAsync<List<TransferDestination>>(SignalRTags.GetAllTransferDestinations, response =>
         {
-            SelectedDestination = Data.Where(x => x.AddressId == (Guid)productAddressId).FirstOrDefault()!;
-        }
-        else
-        {
-            SelectedDestination = Data.FirstOrDefault();
-        }
+            Data.Clear();
+            SelectedDestination = null;
+
+            if (response.Status != SignalResponseStatus.Success || response.ResponseData == null)
+            {
+                _logger.Error($"OnInitializedAsync->GetAllTransferDestinations; response.Status: {response.Status}");
+                return Task.CompletedTask;
+            }
+
+            Data.AddRange(response.ResponseData);
+
+            _logger.Debug($"TransferDestinations Data length: {Data.Count}");
+            SelectedDestination = productAddressId.IsNullOrEmpty() ? Data.FirstOrDefault() : Data.FirstOrDefault(x => x.AddressId == productAddressId);
+
+            return Task.CompletedTask;
+        }).Forget();
+
+        //await _adminSignalRClient.GetAllIntoAsync(Data, SignalRTags.GetAllTransferDestinations);
     }
+
     // RenderFragment GetSelectedItemDescription()
     // {
     //     if (SelectedDestination != null)
diff --git a/TIAMWebApp/Shared/Services/AdminSignalRClient.cs b/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
index 09889a38..e87959cd 100644
--- a/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
+++ b/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
@@ -61,9 +61,9 @@ namespace TIAMWebApp.Shared.Application.Services
             //TODO: AdminSignalRClient.GetAllIntoAsync<Car>(_cars, SignalRTags.GetAllCarsByProductId, [productId]) - J.
             return GetAllAsync<List<Car>>(SignalRTags.GetAllCarsByProductId, response =>
             {
+                intoCars.Clear();
                 if (response is { Status: SignalResponseStatus.Success, ResponseData: not null })
                 {
-                    intoCars.Clear();
                     intoCars.AddRange(response.ResponseData);
                 }