Can i use .net framework 4 with visual studio 2008 IDE [duplicate]

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Possible Duplicate:

Can I use .NET 4.0 beta in Visual Studio 2008?

Hot can I use visual studio 2008 IDE with .net framework 4?

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I think the general consensus is "no"

Can I use .NET 4.0 beta in Visual Studio 2008?

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No, VS 2008 Multi Targeting option only support .NetFramework 3.5 , 3.0 , 2.0

so it has a Backward Compatability, So You have to Use VS 2010 for .netFramework 4.0