A: 

An auto-complete text-box fills in the options or do the auto-completion by querying a set of available options on the server side using AJAX. If you wish to make it static, you can get the options within the page at the time of page load (probably as JavaScript array). In this case, you can use JavaScript to provide the feature of auto-complete without AJAX. You are limited to the options downloaded to the client side at the page load.

Kangkan
A: 

or, if you want an AJAX-autocomplete textbox, there are dozens of solutions to choose from. search for scriptaculous, or better jQuery on the web if you insist on not using AjaxToolKit. however AjaxToolKit, IMO is the easiest way to create AJAX enabled sites in .NET.

ajitatif