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migrating from .NET V2.0 to v3.5

By mluse ·
Hello, I have Installed .NET Framework V2.0, I wish to migrate to V3.5. a) can I disregard the installed V2.0 and install upom it the V3.5. b) Provided I have an updated Windows XP Professional and IE V7, what additional prerequisite software are required in order to make it tick? c) Does the V3.5 has to be purchased? d) Being a novice to this site, can you please tell me where should I search for an answer, I mean on what URL, Much oblidged, Moshe

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.NET Framework

by p.j.hutchison In reply to migrating from .NET V2.0 ...

Versions of .NET can be installed side by side. So, you can have 1.0, 1.1, 2.0, 3.0 and 3.5 installed.

The .NET Framework is free so you can download and install it from Microsoft's website.

To use it, you need to use Visual Studio. You can either get the the full version or use the Express editions. For novices, the Express versions are a good start and did I mention they are free as well!

You can get VS Express for Web, Visual Basic, C#, J#, C++ and so on.

Web site:
http://www.microsoft.com/express/

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Here's the URL

by Tony Hopkinson In reply to migrating from .NET V2.0 ...

http://www.microsoft.com/downloads/details.aspx?FamilyId=333325FD-AE52-4E35-B531-508D977D32A6&displaylang=en

Most 2.0 code will just compile. If you leave the 2.0 framework on anything you've already compiled will just run.

There are few things to watch out for, WCF, doesn't like doing named pipes between machines for instance.

You may also find some of the 3.5 functionality changes the behavior of some older code.

One thing to watch out for, is you can pick in VS2008 which framework version you are building to. When it say's 2.0, it means 2.0 SP1. Can cause a few issues when deploying to vanilla 2.0 machines.

HtHs

Get VS2008 while youy are at it. Express version is free (like the frameworks) and you can only have one development language at a time, but it's a decent improvement on 2005.

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