How to bind database values in telerik autocomplete?

Question

<%= Html.Telerik().AutoComplete()  
.Name("country")
.BindTo(new string[] {"India","USA","UK","Australia",}) 
%>

Here values are passed directly in design page. But i want here, how to bind database values for autocomplete textbox.

 

or how to use ajax autocomplete extender in mvc2?

VS2010,MVC 2  only i used. Thanks in advance