you have to buy a cartridge that fits into the top of your ds called an action replay
ADAE-636791C0 is the AR ID for Pokemon Diamond
you have to get a code.
go to www.codejunkies.com and www.supercheats.com to find out AR Pokemon Diamond/Pearl codes for the DS
there is non
use ar
action replay
you need ar
its impossible without ar
you can't unless you have AR
no way
ar or through an event
inposple