Chapter 45Upgrading with Visual Studio 2015

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The days of needing to migrate every developer to the latest version of Visual Studio before the first person can use it are now, more or less, behind us. There are two reasons for this. The first is multitargeting, which is a geeky way of saying that you can compile applications in Visual Studio 2015 so that they can run on a wide range of .NET Frameworks, including older versions. Also, Microsoft has stabilized on a solution and project file format, so opening a solution in Visual Studio 2015 does not (usually) keep it from being opened by Visual Studio 2013 or 2012. As the “usually” suggests, there are exceptions to this. But now the main roadblock to upgrading is not so much about Visual Studio as it is the tooling that comes with it. Many upgrade just fine. But some tools, such as SQL Server Data Tools, are automatically upgraded with the installation, and compatibility with earlier versions is not guaranteed.

In this chapter, you see how easy it is to migrate existing .NET applications into Visual Studio 2015. This is done ...

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