--- title: Add validation to an ASP.NET Core MVC app author: rick-anderson description: How to add validation to an ASP.NET Core app. ms.author: riande ms.date: 04/13/2017 uid: tutorials/first-mvc-app/validation --- [!INCLUDE [validation](~/includes/mvc-intro/validation.md)] > [!div class="step-by-step"] > [Previous](new-field.md) > [Next](details.md)