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---
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title: Adding a controller
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author: rick-anderson
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description: How to add a controller to a simple ASP.NET Core MVC app
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manager: wpickett
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ms.author: riande
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ms.date: 02/28/2017
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ms.prod: asp.net-core
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ms.technology: aspnet
ms.topic: get-started-article
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uid: tutorials/first-mvc-app/adding-controller
---
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# Adding a controller to a ASP.NET Core MVC app with Visual Studio
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By [Rick Anderson ](https://twitter.com/RickAndMSFT )
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[!INCLUDE[adding-controller1 ](../../includes/mvc-intro/adding-controller1.md )]
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* In **Solution Explorer** , right-click **Controllers > Add > New Item**
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* Select **MVC Controller Class**
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* In the **Add New Item** dialog, enter **HelloWorldController** .
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[!INCLUDE[adding-controller2 ](../../includes/mvc-intro/adding-controller2.md )]
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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.
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>[!div class="step-by-step"]
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