In VS2013 Preview, we released new Razor V3 runtime and design time Engine to support MVC5 and Razor V3 website’s runtime and design time behavior. Unlike Razor V2 runtime and design time, VS2013 did not GAC these binaries. Instead, the binaries are installed in the project bin folder when corresponding NuGet package is installed, and in “%ProgramFiles (x86)%\Microsoft Visual Studio 12.0\Common7\IDE\CommonExtensions\Microsoft\Web\Razor\v3.0” to support design time. As in VS2012 to determine which razor v1/v2 design time dlls to load, VS 2013 preview first use web.config file key < add key = " webpages:Version " value = " x.0.0.0 " /> to determine the design time dll version to load for editing webpages...(read more)
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