how can i make google like intelligence searching system?

I want to make google like intelligence searching system for searching data from list in my project. i mean when i write something in google bar for searching it automatically start showing some related words in down side. how c开发者_如何学Can i achieve that search in my project? should i use some API ?

With ASP.NET AJAX, you can use AutoComplete control which would give you that functionality 'as is' without writing any extra code.

You can use Jquery too