Listbox

Hi
How can I select and also deselect items in a listbox? I retrieve my
data from a database (some names), after that i want to select some
names or deselect the selected names.
//Mikestring x=ListBox1.SelectedValue;
Response.Write(x.ToString());
"Michael Bohman" <michael_bohman@.telia.com> wrote in message
news:eyybg.852$E02.202@.newsb.telia.net...
> Hi
> How can I select and also deselect items in a listbox? I retrieve my data
> from a database (some names), after that i want to select some names or
> deselect the selected names.
> //Mike