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You can read more about the Update Panel Animation Extender over definition tags call two Java Script methods respectively that are responsible for displaying and hiding the image progress bar while the Update Panel performs an update on the control.As shown in the previous methods, we have emulated a time consuming operation by setting a delay of 3 seconds by using Thread. You can replace this code with any time consuming operation, like fetching records from a remote database or performing any similar resource intensive operation.Since the animation framework is based on a hierarchy of animation classes, all the animations have the properties which runs its child animations sequentially, waiting for each to finish before starting the next.To use these animations in the generic XML animation declaration syntax, we include their child animations as nested XML elements.For the contents of an Update Panel, a special extender exists that relies heavily on the animation framework: Update Panel Animation.This tutorial shows how to set up such an animation for an Update Panel.
Let us see how to use some events of this class to display progress to the user while the Update Panel updates its contents.
In this article, we will study three different techniques that allow you to visually display progress to users while performing partial-page updates using the Update Panel.
For all the three approaches, I have used a image to show a spinning gear kind of a progress bar while the Update Panel is performing some action.
You can use this control to display status information to the user, while the Update Panel updates its content.
In the example below, we use the same to display progress while the Update Panel is updating its content.