RECOVER DATA FROM DYANAMIC DISK WITH DE

I made my 20 gb dyamic disk with 2 partions of 5 gb & 14 gb. when again i was installing windows 2000 i deleted my first partitaion and from that time onwards i am not able to access my d: drive and my disk was converted back to basic disk i againconverted to dynamic disk but os no use any way to recover data from that disk.