hi, i am writing a sotreprocedure displaying month and year it is working but it is not coming in a order descending order can u help me my procedure like below...

ALTER procedure [dbo].[audioblog_getarchivedates]  
as  
begin  
select DateName(Month,a.createddate) + ' ' + DateName(Year,a.createddate) as ArchiveDate 
from audio_blog a 
group by DateName(Month,a.createddate) + ' ' + DateName(Year,a.createddate) 
order by DateName(Month,a.createddate) + ' ' + DateName(Year,a.createddate) desc
end

result will come like this

March 2010
January 2010
February 2010

but it is not in a order (desc) can u help me