---
title: Adding a controller | Microsoft Docs
author: rick-anderson 
description: How to add a controller to a simple ASP.NET Core MVC app
keywords: ASP.NET Core, MVC
ms.author: riande
manager: wpickett
ms.date: 02/28/2017
ms.topic: get-started-article
ms.assetid: e04b6665-d0de-4d99-b78f-d6a0c4634a87
ms.technology: aspnet
ms.prod: asp.net-core
uid: tutorials/first-mvc-app/adding-controller
---

# Adding a controller to a ASP.NET COre MVC app with Visual Studio

By [Rick Anderson](https://twitter.com/RickAndMSFT)

[!INCLUDE[adding-controller1](../../includes/mvc-intro/adding-controller1.md)]

* In **Solution Explorer**, right-click **Controllers > Add > New Item**

![Contextual menu](adding-controller/_static/add_controller.png)

* Select **MVC Controller Class**
* In the **Add New Item** dialog, enter **HelloWorldController**.

![Add MVC controller and name it](adding-controller/_static/ac.png)

[!INCLUDE[adding-controller2](../../includes/mvc-intro/adding-controller2.md)]

In Visual Studio, in non-debug mode (Ctrl+F5), you don't need to build the app after changing  code. Just save the file, refresh your browser and you can see the changes.

>[!div class="step-by-step"]
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