Easiest way to populate a temp table with dates between and including 2 date parameters

Question

What is the easiest way to populate a temp table with dates including and between 2 date parameters. I only need the 1st day of the month dates.

So for example if @S

Answer 1

declare @StartDate datetime
declare @EndDate datetime
select @StartDate = '2011-01-01' ,  @EndDate = '2011-08-01'

select @StartDate= @StartDate-(DATEPART(DD,@StartDate)-1)

declare @temp  table
(
TheDate datetime
)
while (@StartDate<=@EndDate)
begin
insert into @temp
values (@StartDate )
select @StartDate=DATEADD(MM,1,@StartDate)
end
select * from @temp

Works even if the @StartDate is not the first day of the month by going back to the initial day of the month of StartDate