AutoCompleteExtender control missing in my vs 2008 project

I have vs2008 environment. Ajax Extentions tab in the toobox shows ScriptManager, timer, UpdatePanel, UpdateProgress and ScriptManagerProxy controls. I would like to use AutoCompleteExtender control but I don't see that. Do I need to install it separately?
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Bob LearnedCommented:
The AutoCompleteExtender comes with the AJAX control toolkit which is a separate install.  You need to download the version that is targeted for VS.NET 2008.
Do I need to install it separately? ----------->

The autocomplete does not come under the scope of the ajax extensions. You will have to refer the AjaxToolkit.DLL in your project. Whne you add it to your toolbar you can see the autocompleteextender

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Ajax Control toolkit can be downloaded from here  :
Install the Ajax Control Toolkit.
Now add the Ajax Script Manager to the page.
Right click on the control you wish to use with ajax autocomplete.Click on the smart tag and then select  " Control Extender "to get the AutoComplete extender
ISGAminAuthor Commented:
I needed help with how to show in the toolbox and this answer did not help me with it.
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