diff --git a/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs b/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
index 37068ea..8aee83b 100644
--- a/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
+++ b/AyCode.Blazor.Components/Components/Grids/MgGridBase.cs
@@ -12,13 +12,13 @@ using System.ComponentModel;
 
 namespace AyCode.Blazor.Components.Components.Grids;
 
-public interface IMgGridBase
+public interface IMgGridBase : IGrid
 {
 
 }
 
-public class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxGrid, IMgGridBase
-    where TSignalRDataSource : AcSignalRDataSource<TDataItem, TId, IList<TDataItem>> 
+public abstract class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxGrid, IMgGridBase
+    where TSignalRDataSource : AcSignalRDataSource<TDataItem, TId, List<TDataItem>> 
     where TDataItem : class, IId<TId> 
     where TId : struct 
     where TLoggerClient : AcLoggerBase
@@ -27,14 +27,14 @@ public class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxG
 
     protected bool IsFirstInitializeParameters;
     private TSignalRDataSource _dataSource = null!;
-    private IList<TDataItem> _dataSourceParam = [];
+    private List<TDataItem> _dataSourceParam = [];
     private string _gridLogName;
 
     public MgGridBase() : base()
     {
     }
 
-    protected bool HasIdValue(TDataItem dataItem) => _equalityComparer.Equals(dataItem.Id, default);//dataItem.Id.IsNullOrEmpty();
+    protected bool HasIdValue(TDataItem dataItem) => !_equalityComparer.Equals(dataItem.Id, default);//dataItem.Id.IsNullOrEmpty();
     protected bool IdEquals(TId id1, TId id2) => _equalityComparer.Equals(id1, id2);
 
     [Parameter] public TLoggerClient Logger { get; set; }
@@ -99,7 +99,7 @@ public class MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient> : DxG
         }
         set
         {
-            _dataSourceParam = value;
+            _dataSourceParam = value as List<TDataItem>;
 
             if (_dataSource != null!)// && _dataSourceParam is List<TDataItem> workingReferenceList)
                 _dataSource.SetWorkingReferenceList(_dataSourceParam);