Добавлен атрибут на свойство Id (MessageInfo)

FurnitureAssembly/FurnitureAssemblyContracts/ViewModels/MessageInfoViewModel.cs

@@ -18,7 +18,7 @@ namespace FurnitureAssemblyContracts.ViewModels
         public string Subject { get; set; } = string.Empty;       
         [Column(title: "Текст", gridViewAutoSize: GridViewAutoSize.Fill, isUseAutoSize: true)]
         public string Body { get; set; } = string.Empty;
-
+        [Column(visible: false)]
         public int Id => throw new NotImplementedException();
     }
 }