Ajax contorl toolkit UpdatePanelAnimation Demonstration
The UpdatePanelAnimationExtender is a simple extender that
allows you to utilize the powerful animation framework with existing pages in an easy,
declarative fashion. It is used to play animations both while an
UpdatePanel is updating and after it has finished updating.
It is important to note that because of the UpdatePanel
architecture, the OnUpdating animation will always play when
any partial postback starts, but the OnUpdated animation will
only play at the end of a partial postback if its UpdatePanel
was changed (note: setting the UpdatePanel's
UpdateMode="Always" will ensure the
OnUpdated animation plays when every partial postback completes).
The animations to be played are declaratively specified using XML. You can read the
Using Animations walkthrough for more details
about creating these generic animation declarations, as well as other ways to use the animation
framework. The framework provides a lot of useful animations to handle movement, resizing, fading,
etc. All the animations and their properties are described in the
Animation Reference.
The
UpdatePanel animation behavior can be applied
with the following extender (the
italic properties are optional, and the
ellipses represent a generic animation description):
<ajaxToolkit:UpdatePanelAnimationExtender ID="ae"
runat="server" TargetControlID="up"
AlwaysFinishOnUpdatingAnimation="true" >
<Animations>
<OnUpdating> ... </OnUpdating>
<OnUpdated> ... </OnUpdated>
</Animations>
</ajaxToolkit:UpdatePanelAnimationExtender>
- TargetControlID - ID of the UpdatePanel
whose updates are used to play the animations (this is also the default target of the animations)
- OnUpdating - Generic animation played as when any
UpdatePanel begins updating
- OnUpdated - Generic animation played after the
UpdatePanel has finished updating (but only if the
UpdatePanel was changed)
- AlwaysFinishOnUpdatingAnimation - Optional property which makes sure
Onupdated event will fire only after completion of onUpdating event.
Ajax control toolkit UpdatePanelAnimation example with demo in asp .net
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