>I have a VB.Net Web form that uses several panels.
>
>The User Interface of the top of my form is "static".
>It contains various buttons, including navigation controls and about 20 fields displaying basic contact information of a client or prospect.
>
>The User Interface of the bottom of my form is "dynamic".
>It contains 7 panels each containing about 10-20 fields displaying additions information and contact history.
>
>Between to top and the bottom I have a RadioButton List control, which I use to toggle the visible property of the 7 panels in the Bottom section.
>
>My problem is that changes to the setting of the radio buttons don't take effect until the next submit. I'd really like them to take affect immediately. Is that possible?
>I don't care if I have to change my approach... the radio button list can be something else if it will work smoother.
>
>I'm even willing to change the basic concept of the UI, if a better concept is recomended.
>
>Thanks,
>Rick

Rick,

Set the AutoPostBack property of the radio button controls to True and the form will postback every time the selection changes.