Ajax animationextender onupdating
When the user initiates a postback by clicking on the button kept inside the Update Panel, we set a delay of 3 seconds.To display progress to the user, we handle the Initialize Request at the client side and set the to visible.
The technique of hiding and showing the image also remains the same as we had discussed in Method 1.It is used to play animations both while an Update Panel is updating and after it has finished updating”.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.The Page Request Manager class handles the partial-page updates of the Update Panel.
This class defines client events that you can use during an asynchronous request cycle.
The entire source code and mark up is as shown below: Well those were the three different methods of displaying progress to the user while the Update Panel updates its contents.