How to get this output in sql 2005, Problem in grouping

declare @start DATE = @startDate
declare @end DATE = @endDate
declare @Month varchar(50)
declare @nature int=@NatureOfDispatch

;with months (date)
AS
(
SELECT @start
UNION ALL
SELECT DATEADD(month,1,date)
from months
where DATEADD(month,1,date)<=@end
)
insert ##T1(month) select Datename(month,date) as 'Months' from months

/*End of Inserting the months between two dates */

/* UPDATING the Rows into the temporary table */

declare @Sum varchar(50)
declare @monthResult varchar(50)
declare @machineTypeResult varchar(50)


declare cursorResult cursor for
/* Selecting the value from table based on foltering criteria */
SELECT SUM(dbo.MaterialDispatch.ApproxCost) AS Sum,
DATENAME(month, dbo.MaterialDispatch.DeliveryDate) AS month,
dbo.MachineTechnicalDetails.MachineType FROM dbo.MaterialDispatch INNER JOIN dbo.MachineTechnicalDetails
ON dbo.MaterialDispatch.MachineNumber = dbo.MachineTechnicalDetails.MachineNumber
WHERE dbo.MaterialDispatch.DeliveryDate>=@start and dbo.MaterialDispatch.DeliveryDate<=@end
and dbo.MaterialDispatch.NatureOfDispatch= @nature
GROUP BY DATENAME(month, dbo.MaterialDispatch.DeliveryDate), dbo.MachineTechnicalDetails.MachineType

/* end of selecting */

open cursorResult
fetch next from cursorResult into @Sum,@monthResult,@machineTypeResult
while @@fetch_status=0
begin

set @sql='update ##T1 set '
set @sql+= @machineTypeResult +'=' + ''''+ @Sum + ''' where month=''' + @monthResult + ''''
select @sql
exec(@sql)
fetch next from cursorResult into @Sum,@monthResult,@machineTypeResult
if(@@fetch_status!=0)
break
end
close cursorResult
deallocate cursorResult

SELECT * FROM ##T1