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DatabaseConnection/ViewModel/AuthorsViewModel.cs

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+using DatabaseConnection.Model;
+using DatabaseConnection.Services;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+
+namespace DatabaseConnection.ViewModel
+{
+    public partial class AuthorsViewModel : INotifyPropertyChanged
+    {
+        private readonly AuthorService _authorService;
+
+        public ObservableCollection<Author> Authors { get; set; } = [];
+
+        public AuthorsViewModel(AuthorService authorService)
+        {
+            _authorService = authorService;
+            LoadAuthorsCommand = new Command(async () => await LoadAuthors());
+        }
+
+        public Command LoadAuthorsCommand { get; }
+
+        private async Task LoadAuthors()
+        {
+            Authors.Clear();
+            var authors = await _authorService.GetAuthors();
+            foreach (var author in authors)
+            {
+                Authors.Add(author);
+            }
+            OnPropertyChanged(nameof(Authors));
+        }
+
+        public event PropertyChangedEventHandler? PropertyChanged;
+        public void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}