data caching in asp.net

[chatwithlal]

hi all, i have a textbox in an asp.net page.when user type on that textbox i have to list the similar values of a particular field in the database will show down the textbox as an listbox or something else and i have to select the appropriate value from that listbox control.. normally these type of thing will see in windows application but in one site i saw what i explaned earlier. example google suggest doing the same.. what is the method behind that ..data caching or xml with javascript?

[minhpc_bk]

The buzzword AJAX[^].