2.0 + 4 = 3.0??? .NET Framework confusion

2.0 + 4 = 3.0??? .NET Framework confusion

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.NET 3.0

I have had a few conversations recently about developers not looking at .NET Framework 3.0 as they believe it is a completely new version of the .NET Framework.  Well that is not strictly true and perhaps the version of the framework has confused a few people.

The .NET Framework 3.0 combines the power of the .NET Framework 2.0 with four new technologies (2.0 + 4 technologies): Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), Windows Workflow Foundation (WF), and Windows CardSpace (WCS, formerly "InfoCard").

It should be noted that Microsoft Office SharePoint Server (MOSS) 2007 uses the Windows Workflow Foundation as part of .NET Framework 3.0 to drive the workflow capabilities used in Document Management and Web Content Management.  MOSS provides a great example of what can be achieved using .NET 3.0 WF.

James Akrigg

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  • I was doing updating today (custom) and noticed that .NET framework is now offered in two versions: 2.0 and 3.0. Version 3.0 states that it is to upgrade v2.0 but does not state that it REPLACES v2.0.

    I downloaded .NET Framework 2.0 and installed it, and restarted my computer as instructed. Then I went back to Windows Update, and downloaded and installed v3.0 to do the upgrade, and again restarted my computer.

    When I returned to Windows Update, I was advised that three updated files for .NET Framework 2.0 were needed.

    Do I really need to update .NET Framework 2.0 now that I have installed v3.0, or are they completly different programs?

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