---
title: "what is the update panel control?"  
description: "what is the update panel control?"  
author: "Varun Agrawal"  
published: 2011-03-28  
updated: 2020-09-20  
canonical: https://www.mindstick.com/interview/698/what-is-the-update-panel-control  
category: "ajax"  
tags: ["update panel", "ajax", "mindstick", "interview question", "control"]  
reading_time: 1 minute  

---

# what is the update panel control?

UpdatePanel control is a central part of ASP.NET AJAX functionality. It is used with ScriptManager control to enable partial rendering of the page. You must be aware that partial page rendering reduces the need for synchronous postbacks and complete page updates when a part of the page need to be updated.

## Answers

### Answer by Varun Agrawal

UpdatePanel control is a central part of ASP.NET AJAX functionality. It is used with ScriptManager control to enable partial rendering of the page. You must be aware that partial page rendering reduces the need for synchronous postbacks and complete page updates when a part of the page need to be updated.


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Original Source: https://www.mindstick.com/interview/698/what-is-the-update-panel-control

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