The term “Add-Migration” is not recognized

Question

I\'m using this MSDN Tutorial to run in VS2015 the command PM> Add-Migration MyFirstMigration -context BloggingContext that ran yesterday successfully but to

Answer 1

Ensure Microsoft.EntityFrameworkCore.Tools is referenced in the dependencies section of your project.json. NuGet won't load the Package Manager Commands from the tools section. (See NuGet/Home#3023)

{
  "dependencies": {
    "Microsoft.EntityFrameworkCore.Tools": {
      "version": "1.0.0-preview2-final",
      "type": "build"
    }
  }
}