Bind ListView on onchange event of textbox (search operation)

[ajith3000]

hi everyone,please help me .i'm a newbie

see i have a form in that i have following controls
.combobox
.textbox
.listview
the combobox contains all the column names of listview like docid,firstname ,surname etc

when the form is loaded the listview is populated with some data from the database.

is there is anyway to autopopulate the listview control based on search term entered on the textbox.i heard about the "onchange event",but i'm not sure how it works .please help me on this,

thanks in advance

[ajith3000]

pls help ,i am stuck up here