Fix persistent state API bug (#36129)

guardrex · web-flow · commit 70d9e7401bb6 · 2025-09-19T11:15:04.000-04:00
diff --git a/aspnetcore/blazor/state-management/prerendered-state-persistence.md b/aspnetcore/blazor/state-management/prerendered-state-persistence.md
@@ -168,8 +168,8 @@ public class CounterService
 In `Program.cs`:
 
 ```csharp
-builder.Services.RegisterPersistentService<CounterService>(
-    RenderMode.InteractiveAuto);
+builder.Services.AddRazorComponents()
+    .RegisterPersistentService<CounterService>(RenderMode.InteractiveAuto);
 ```
 
 Serialized properties are identified from the actual service instance:
