Displaying the query result without reloading the page ?

[eluser]Unknown[/eluser]
Hi,

I want some pre made library Ajax code where i can use for displaying the query result without reloading the page.

PS. I am making a small project based on php and mysql( using CodeIgniter )...i need to display the result from the database without reloading the page..can you guys give me more specific suggestion for that..

Thanks in advanced

Satish