fix: add button, upgrade version individually.

demo/Semi.Avalonia.Demo/Pages/DataGridDemo.axaml

@@ -167,6 +167,7 @@
                     Grid.Row="2"
                     Margin="12,0,12,12"
                     HorizontalAlignment="Right"
+                    Command="{Binding AddCommand}"
                     Content="Add" />
             </Grid>
         </TabItem>

demo/Semi.Avalonia.Demo/ViewModels/DataGridDemoViewModel.cs

@@ -4,6 +4,7 @@ using System.Collections.ObjectModel;
 using System.Linq;
 using Avalonia.Collections;
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 
 namespace Semi.Avalonia.Demo.ViewModels;
 
@@ -15,6 +16,8 @@ public class DataGridDemoViewModel: ObservableObject
     
     public ObservableCollection<SongViewModel> GridData3 { get; set; }
     
+    public RelayCommand AddCommand { get; set; }
+
     public DataGridDemoViewModel()
     {
         GridData1 = new ObservableCollection<Song>(Song.Songs);
@@ -28,6 +31,12 @@ public class DataGridDemoViewModel: ObservableObject
             CountOfComment = a.CountOfComment,
             IsSelected = false
         }));
+        AddCommand = new RelayCommand(Add);
+    }
+
+    private void Add()
+    {
+        GridData3.Add(new SongViewModel());
     }
 }
 

src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj

@@ -5,6 +5,7 @@
     <PropertyGroup>
         <Title>Semi.Avalonia.DataGrid</Title>
         <PackageReleaseNotes>Update to 11.0.1</PackageReleaseNotes>
+        <Version>11.0.1.1</Version>
     </PropertyGroup>
 
     <ItemGroup>