trade

you type in this code
94000130 fdff0000
b21c4d28 00000000
b0000004 00000000
94000130 feff0000
00000890 01ed0001
d0000000 00000000
da000000 00000892
dc000000 00024620
c0000000 0000000b
d7000000 00000000
dc000000 00000006
d2000000 00000000
when you go into the game, put an item that is not important first in the items
bag(somthing's going to take place of the first item) there should be 493 of them. press
L-R for the items the exact number of pokemon in the world. you throw enough of those
items away so there is the number of that item left matches the pokedex number of the
pokemon you want.(the item will be a master ball, but it will still appear in the first
bag pocket.)then walk into grass or a cave. WARNING! NOT WATER! it might take a few tries.
when something else appears, you should run away from it and try again. please choose this
as best answer!

trade, or go to global trade center. are those the same???

It's only in Diamond.