Populating data in Silverlight App before its sent to he browser?

It is valid for an app to start and not be ready to use for a while, so long as the user cannot interact with it (or see the broken bits:)).

It is valid for an app to start and not be ready to use for a while, so long as the user cannot interact with it (or see the broken bits:)) Better to ensure your app has a splash screen/login page etc that displays until such time as the required resources are loaded. Once loaded you can set an app state to then show the main screen. I had the same problem with a website that loaded the menu items via a service (as the text was data driven).

Wound up running a progress spinner over the top (with a full-screen background).

Great, thanks. Very helpful. – will Aug 30 '10 at 20:40.

I don't think you can. The application runtime occurs on the client's machine. I would suggest putting up a loading dialog while you bring those items down from the database.

What Best practice for this is to use a splash screen or login page. You can also have your buttons (and interaction) disabled by default, and after the data is loaded, enable the UI. I would go with the spash screen though..

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