You go and have evee have 2 hart love then at night go and make it love you full to evolve
eevee in lefeon
you can evolve eevee and gloom
In Pokemon Diamond and Pearl you can receive Eevee from Bebe in Hearthome city.
You can not get dark Pokemon on Pokemon diamond and pearl
Umbreon
Kindness to eevee at daytime.
Eevee
go to hearthrome city and go into the house next to the pokemon center There is a girl in there and she will give you the eevee
Eevee Growlithe Vulpix
Yes you can. Since both Glaceon and Ditto are breedable Pokemon. You can also breed any Eevee evolution as well as Eevee with Ditto to get an Eevee.
After you get the National Dex
of corse