Using Client-side Script to Focus Controls in ASP.NET

1: Pseudo-code to focus the same control on the client.
<script language="javascript">
var control = document.getElementById(<control...

I have a combobox in my form which shows the employee names.When I select one of the names I want to get the employee id which is stored in the database corresponding to the employee name I have...

I have a frameset with a layout banner,contents and main.The first page is shown in the contents and second one in the mains.The second page contains a buuton to load the third page.I want the third...

How can we hide the dataitems to the corresponding values displayed in a combobox? Eg:we use Dataitem property of combobox in VB.