Visual Studio 2006 with C# 4 [duplicate]

This question already has answers here: 开发者_运维问答 Closed 11 years ago.

Possible Duplicate:

Is it possible to use C# 4.0 with Visual Studio 2008?

Could I use my existing Visual Studio 2006 with latest C# 4?

Thanks.

CK

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You can't use C# 4 ( .NET 4.0) with 2005 or 2008

Have a look at this answer here as well: Is it possible to use C# 4.0 with Visual Studio 2008?

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I'm pretty sure you have to have Visual Studio 2010 for .NET4.