[IronPython] Anyone have IronPython running on Silverlight RC0 yet?

Jimmy Schementi Jimmy.Schementi at microsoft.com
Tue Sep 30 09:12:42 PDT 2008

BTW, things do build correctly, and you build from the current sources things will definitely work in Silverlight 2 RC0.

The "obsolete version of Silverlight" error is because in the XAP file, the AppManifest.xaml has the RuntimeVersion for beta2, not rc0. If you're using Chiron, open Chiron.exe.config and in the <AppManifestTemplate> section edit the RuntimeVersion to be "2.0.30923.0".

Also, make sure the "type" property of the object tag in your HTML page is set to "application/x-silverlight-2", and NOT "application/x-silverlight-2-b2".


> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-
> bounces at lists.ironpython.com] On Behalf Of Dan Eloff
> Sent: Monday, September 29, 2008 7:20 PM
> To: Discussion of IronPython
> Subject: [IronPython] Anyone have IronPython running on Silverlight RC0
> yet?
> It was easy to build the latest sources with silverlight rc0, but
> there seems to be some issues using the resulting binaries.
> InitializeError- Failed to load the application. It was built with an
> obsolete version of Silverlight
> I went back and uninstalled silverlight and silverlight sdk + tools,
> and physically deleted C:/Program Files/Microsoft SDKs/Silverlight. I
> reinstalled, rebuilt everything, but no luck. The only thing I could
> have from an older silverlight is I kept the old chiron.exe.config
> file, but I don't buy that it's the problem.
> The error here is not very helpful since it's impossible for the
> binaries to have been built with anything but the very latest
> silverlight version.
> I'm not sure what's going on here. Is IronPython supposed to be able
> to work with RC0 in it's current state? Jimmy, if you're reading this,
> have you had any success with the DLR on RC0?
> -Dan
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