Convert Web.config from .NET 2.0 to 3.5
Solution 1
There is a good description of the 3.5 web.config available here: http://www.4guysfromrolla.com/articles/121207-1.aspx
The assemblies and config sections are important because they tell the runtime to use the new 3.5 dlls instead of the 2.0 dlls
The codedom section tells the compiler to use 3.5.
If you're not using ASP.Net Ajax you can probably skip the rest. I've never tested that though.
Solution 2
I don't think either of these answers are definitive. The 4guysfromrolla reference is helpful.
Deploying .NET 3.5 to 100+ sites will be a pain. You can't just upgrade the server to the new framework, you have to upgrade the web.config of each site. As far as I can tell, there is no command line tool to do it.
Solution 3
If you want to upgrade every site on a server you could probably make changes to the machine.config
Murali Mohan
Updated on August 20, 2022Comments
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Murali Mohan over 1 year
What is the minimum I need to add to a .NET 2.0 WebSite's web.config to make it .NET 3.5?
Visual Studio adds all the config sections and script handlers, but if you aren't using those are they are really necessary?
Is there a command line tool to "upgrade" a .NET 2.0 web.config to 3.5?