I have EF migrations working nicely, but I also want to generate the sql script for the seed data from my DbMigrationsConfiguration class. The seed data runs ok when I do Update-Database, but when I do UpdateDatabase -Script I do not get the sql for the seed inserts. I tried -Verbose on a normal Update-Database but I do not see the seed statements output there either.
Is this possible?
No it is not possible. Configuration class is not part of migration itself - it is infrastructure executing the migration. You have single configuration class for all your migrations and its Seed
method is executed after every migration run - you can even use context for seeding data and because of that this method is executed after the migration is completed = it cannot be part of migration. Only content of the migration class is scripted.