---
uid: web-forms/videos/aspnet-dynamic-data/how-to-use-attribute-validation-in-aspnet-dynamic-data-applications
title: "How to Use Attribute Validation in ASP.NET Dynamic Data Applications | Microsoft Docs"
author: JoeStagner
description: "This video will introduce modifying the Partial Classes in our Dynamic Data Application's Data Access Layer and get us started using Attributes by focusing o..."
ms.author: aspnetcontent
manager: wpickett
ms.date: 10/23/2008
ms.topic: article
ms.assetid: dcaaaa8d-7dbd-4f5f-be2a-226c2517872a
ms.technology: dotnet-webforms
ms.prod: .net-framework
msc.legacyurl: /web-forms/videos/aspnet-dynamic-data/how-to-use-attribute-validation-in-aspnet-dynamic-data-applications
msc.type: video
---
How to Use Attribute Validation in ASP.NET Dynamic Data Applications
====================
by [Joe Stagner](https://github.com/JoeStagner)

This video will introduce modifying the Partial Classes in our Dynamic Data Application's Data Access Layer and get us started using Attributes by focusing on the Validation Attributes. This Data Access layer validation is preferable to validation at the User Interface Layer and is very easy to do with ASP.NET Dynamic Data.

[▶ Watch video (11 minutes)](https://channel9.msdn.com/Blogs/ASP-NET-Site-Videos/how-to-use-attribute-validation-in-aspnet-dynamic-data-applications)

>[!div class="step-by-step"]
[Previous](how-to-enable-table-specific-routing-in-dynamic-data-applications.md)
[Next](how-to-implement-custom-field-validation-with-imperative-logic-in-vb-or-c.md)