If you've created a web site with VWD 2010 on a development machine with .NET 4, and you transfer and implement this web site to a server with .NET 3.5, will it run, assuming you've used no features exclusive to .NET 4?

It depends on how you created the site. If you set it up for .NET 4 it won't work. If you set it for 3.5 it will .NET 4 adds stuff in web.config and other files that won't work in .NET 3.5

To be sure it's going to work, make sure you've selected .NET 3.5 on the project's Properties dialog in Visual Studio This creates a site in VS 2010 that tagets 3.5.

Cheers,

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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