Displaying the Grid using AJAXtools

Hi All.

Please guide me how to display the grid using ajax controls like if any character is entered in a textbox grid should display dynamically
according to entered text in textbox without using any search button or search option.(btn_search_Click(object sender, EventArgs e))

select * from test..tbl_Name WHERE Fname like 'sa%' this query to executed & table to displayed when i entered a text in textbox.

can anybody share your tips & examples.

SATHIYANARAYANAN