C# VS

JavaScript

Папка публикации: Website - RC - > Publish-- > Publish Web-- >
  Your application will be published to[PATH]
Для бекапа можно скопировать по[PATH] на машину, опубликовать, а потом если что не так, то назад всё скопировать


Source file 'path/file.ext'
could not be found visual studio:
  They are likely still referenced by the project file.Make sure they are deleted using the Solution Explorer in Visual Studio - it should show them as being missing(with an exclamation mark).