---
title: "Ajax Toolkit ResizableControlExtender Control in ASP.Net"
description: "ResizablecontrolExtender allows resizing of panel control. ResizableControl Properties: TargetControlID - The ID of the element that becomes resizabl"
author: "Pushpendra Singh"
published: 2010-12-03
updated: 2020-03-04
canonical: https://www.mindstick.com/articles/278/ajax-toolkit-resizablecontrolextender-control-in-asp-dot-net
category: "ajax"
tags: ["ajax"]
reading_time: 2 minutes
---
# Ajax Toolkit ResizableControlExtender Control in ASP.Net
ResizablecontrolExtender allows resizing of [panel control](https://www.mindstick.com/articles/311/panel-control-in-vb-dot-net).\
**ResizableControl [Properties](https://yourviews.mindstick.com/view/81845/now-it-s-possible-to-predict-properties-of-any-molecule):**
· **TargetControlID** - The ID of the element that becomes resizable
· **HandleCssClass** - The name of the CSS [class](https://www.mindstick.com/blog/165/generic-class-in-c-sharp) to apply to the resize [handle](https://answers.mindstick.com/qa/46867/how-do-i-handle-it-if-i-m-downgraded-from-first-or-business-class-on-a-flight)
· **ResizableCssClass** - The name of the CSS class to apply to the element when resizing
· **MinimumWidth/MinimumHeight** - Minimum [dimensions](https://www.mindstick.com/forum/1834/c-sharp-xaml-how-to-modify-the-dimensions-of-the-rows-and-the-columns-of-a-grid) of the resizable element
· **MaximumWidth/MaximumHeight** - Maximum dimensions of the resizable element
· **OnClientResizeBegin** - Event fired when the element starts being resized
· **OnClientResizing** - Event fired as the element is being resized
· **OnClientResize** - Event fired when the element has been resized
## Code:
Write these codes on [aspx page](https://www.mindstick.com/forum/218/how-do-i-create-an-aspx-page-that-periodically-refreshes-itself) and apply these [style](https://www.mindstick.com/articles/126300/apa-citation-style-get-to-know-about-it-for-your-next-assignment) classes in head tag of aspx page
```
<%--Add the ScriptManager, ResizableControlExtender and Panel--%>
```
You Can limit maximum and minimum [width and height](https://www.mindstick.com/forum/158680/what-css-property-is-used-to-set-the-width-and-height-of-an-element) of the resizable control
**Run the [project](https://yourviews.mindstick.com/story/1788/things-to-ensure-your-construction-project-is-successful)**
When you stretch right corner of the image then image width and height will increase.
---
Original Source: https://www.mindstick.com/articles/278/ajax-toolkit-resizablecontrolextender-control-in-asp-dot-net
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