I am currently aware that ASP.NET 2.0 is out and about and that there are 3.x versions of the .Net Framework.
Is it possible to upgrade my ASP.NET web server to version 3.x of the .Net Framework?
I have tried this, however, when selecting which version of the .Net framwork to use in IIS (the ASP.NET Tab), only version 1.1 and 2.0 show.
Is there a work around?
if I install 3.5 and have IIS setup to use 2.0. I will be able to use 3.5 features?
Yes, that is correct. You have IIS set to 2.0 for both 2.0 and 3.5 sites, as they both run on the same CLR. 3.5 uses a different compile method than 2.0. This is declared in the web.config for the site. See this post for more details on this. But the setup in IIS for both 3.5 and 2.0 ASP.net sites is identical.
Unfortunately, the statement .NET versions can be installed side-by-side, so it won't disrupt any "legacy" apps isn't entirely true. If you install 3.5, it requires 2.0 SP1, which can disrupt legacy applications that uses 2.0 and connects to Oracle database servers.
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