How to display words list in textbox on search botton.....c# windows application?

Question

Hi friends...
i have small assignement on c#

windows application to display

multiple words on textbox when u

enter in textbox suppose alphabet

"a" then it will display all words

which starting from "a" later ..
i have store all words in

arraylist..
so plz how do this ..
plz anyone telme...its urgent..

thanks and regards
shri