diff --git a/AyCode.Blazor.Components/AyCode.Blazor.Components.csproj b/AyCode.Blazor.Components/AyCode.Blazor.Components.csproj
index a8ec978..ead51ed 100644
--- a/AyCode.Blazor.Components/AyCode.Blazor.Components.csproj
+++ b/AyCode.Blazor.Components/AyCode.Blazor.Components.csproj
@@ -10,8 +10,8 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<PackageReference Include="DevExpress.Blazor" Version="25.1.3" />
 		<PackageReference Include="DevExpress.Data" Version="25.1.3" />
-		<PackageReference Include="DevExpress.Blazor" Version="24.2.3" />
 		<PackageReference Include="MessagePack" Version="3.1.4" />
 		<PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="9.0.10" />
 		<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.10" />
diff --git a/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs b/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
index dfd5ebf..37068ea 100644
--- a/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
+++ b/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
@@ -17,9 +17,10 @@ public interface IMgGridBase
 
 }
 
-public abstract class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxGrid, IMgGridBase
+public class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxGrid, IMgGridBase
     where TSignalRDataSource : AcSignalRDataSource<TDataItem, TId, IList<TDataItem>> 
-    where TDataItem : class, IId<TId> where TId : struct 
+    where TDataItem : class, IId<TId> 
+    where TId : struct 
     where TLoggerClient : AcLoggerBase
 {
     private readonly EqualityComparer<TId> _equalityComparer = EqualityComparer<TId>.Default;
@@ -167,17 +168,21 @@ public abstract class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClie
         await base.OnAfterRenderAsync(firstRender);
     }
 
+    private static void SetNewId(TDataItem dataItem)
+    {
+        //TODO: int !!! - J.
+        if (dataItem.Id is Guid) TypeDescriptor.GetConverter(Guid.NewGuid()).ConvertTo(dataItem.Id, typeof(TId));
+    }
+
     public Task AddDataItem(TDataItem dataItem)
     {
-        //TODO: !!! - J.
-        //if (!HasIdValue(dataItem)) dataItem.Id = Guid.NewGuid();
+        if (!HasIdValue(dataItem)) SetNewId(dataItem);
         return _dataSource.Add(dataItem, true);
     }
 
     public Task AddDataItemAsync(TDataItem dataItem)
     {
-        //TODO: !!! - J.
-        //if (!HasIdValue(dataItem)) dataItem.Id = Guid.NewGuid();
+        if (!HasIdValue(dataItem)) SetNewId(dataItem);
         _dataSource.Add(dataItem);
 
         return SaveChangesToServerAsync();
@@ -187,8 +192,7 @@ public abstract class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClie
     {
         var dataItem = (e.EditModel as TDataItem)!;
 
-        //TODO: !!! - J.
-        //if (e.IsNew && !HasIdValue(dataItem)) dataItem.Id = Guid.NewGuid();
+        if (e.IsNew && !HasIdValue(dataItem)) SetNewId(dataItem);
 
         var logText = e.IsNew ? "add" : "update";
         Logger.Debug($"{_gridLogName} OnItemSaving {logText}; Id: {dataItem.Id}");