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588

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+2  Q: 

.NET VirtualPathProviders and Pre-Compilation

Hi,

We've been working on an application that quite heavily relies on VirtualPathProviders in ASP.NET.

We've just come to put the thing on a live server to demonstrate it and it appears that the VirtualPathProviders simply don't work when the site is pre-compiled!!

I've been looking at the workaround which has been posted here: http://sunali.com/2008/01/09/virtualpathprovider-in-precompiled-web-sites/, but so far I haven't been able to get that to work, either! (Well - it works fine in visual studio's web development server - just not on our IIS box - again!).

Does anybody here have any more information on the problem? Is it fixed in .NET v3.5 (we're currently building for v2.0)?

Your help would be very much appreciated!

A: 

Unfortunately that is not officially supported. See the following MSDN article.

If a Web site is precompiled for deployment, content provided by a VirtualPathProvider instance is not compiled, and no VirtualPathProvider instances are used by the precompiled site.

The site you referred to is an unofficial workaround. I don't think it's been fixed in .NET 3.5 SP1

Haacked  2008-08-20 23:03:37
I can see why you can't precompile content provided by a VirtualPathProvider, but I can't see why you can't use it at all. Do you know a reason for this limitation?
troethom  2009-08-06 14:38:31

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