I\'m trying to migrate some javascript files to Typescript in a legacy ASP.NET MVC 5 project. I I\'ve created a Typescript file and the compilation from TS to JS works as ex
Another possible cause of this is having an old Visual Studio version number in the VisualStudioVersion node in the .csproj file:
VisualStudioVersion
For VS 2013 it should be:
12.0
For VS 2015 it should be:
14.0
For VS 2017 it should be:
15.0