---
title: "[How Do I:] Use the ASP.NET AJAX ResizableControl Extender? | Microsoft Docs"
author: JoeStagner
description: "The ResizableControl extender from the ASP.NET AJAX Control Toolkit allows the developer to specify a region of the Web page that the user may resize dynamic..."
ms.author: aspnetcontent
manager: wpickett
ms.date: 07/01/2007
ms.topic: article
ms.assetid: 99b23369-dac6-458b-b002-56be35f43236
ms.technology: dotnet-webforms
ms.prod: .net-framework
msc.legacyurl: /web-forms/videos/ajax-control-toolkit/how-do-i-use-the-aspnet-ajax-resizablecontrol-extender
msc.type: video
---
[How Do I:] Use the ASP.NET AJAX ResizableControl Extender?
====================
by [Joe Stagner](https://github.com/JoeStagner)

The ResizableControl extender from the ASP.NET AJAX Control Toolkit allows the developer to specify a region of the Web page that the user may resize dynamically. This video demonstrates how to configure the look and feel of the resizable region, and how to run client-side script upon resizing.

[▶ Watch video (30 minutes)](https://channel9.msdn.com/Blogs/ASP-NET-Site-Videos/how-do-i-use-the-aspnet-ajax-resizablecontrol-extender)

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