>Hi everybody,
>
>I have a Schools selection DropDownList build using SQLDataSource. The school may have a telephone. I want to be able to update the literal control using JavaScript.
>
>My problem is - where should I store telephone for each school to be accessible by JavaScript?
>
>Any ideas?
>
>Thanks in advance.

After speaking with my colleague I just decided to use DataText for School and DataValue for Phone. It took some time to get everything working correctly, but now it seems to work.