Multiple parameter options

Question

Morning all,
I have yet another question regarding multiple parameter options. I have three parameters originally on my report however now there are 5.
Addition of Product Group and Sales Area, originally had Date range (2 parameters) and Customer account number.
Now question is that how can I setup all 3 of the parameters as optional.
I know you can do it from the properties of the parameters though it didn't work.
I am using the code,
{order_header.date_entered} >= {?Start Date} and
{order_header.date_entered} <= {?End Date} and
(not HasValue({?Account Number}) or {order_header.account_no} = {?Account Number});
(not HasValue({?Product Group}) or {lens_types.prod_group} = {?Product Group});
(not HasValue({?Sales Area}) or {slslsp.slr_slspname} = {?Sales Area});
though this does not work after adding the two new parameters. It works find if I leave one code of "not hasvalue" but not with all three.
any ideas how to set this thing up so that report can be filtered according to those parameters?
many thanks
regards
Jehanzeb

Answer 1

Thanks for the quick and informative reply Tim, however your method doesn't work either.
The parameters if used without the last 2 parameters, it works perfectly i.e. with Parameter Customer Account number on its own, the record is filtered perfectly.
The problem persist when I added last two parameters that is Product Group and Sales Area.
The report otherwise shows the correct results however, by adding these two parameters the report shows maniac numbers, where the total jobs are 5 it shows 4005 and where total jobs are 2 it shows 3490. Crazy numbers like that are shown when using the last two parameters.
{order_header.date_entered} >= {?Start Date} and
{order_header.date_entered} <= {?End Date} and
(not HasValue({?Account Number}) or {order_header.account_no} = {?Account Number})
Above code works perfectly (with or without account number)
{order_header.date_entered} >= {?Start Date} and
{order_header.date_entered} <= {?End Date} and
(not HasValue({?Account Number}) or {order_header.account_no} = {?Account Number})and
(not HasValue({?Product Group}) or {lens_types.prod_group} = {?Product Group})
Above code - big time blunder, huge random numbers displayed
As I mentioned in my post I did manage to get it however for some stupid reason i entered or in between the two last parameters, ran the report and it crashed and I lost the coding I did.
now I can't remember what i just did, hence this post!
any other ideas I can try?
many thanks
Regards
Jehanzeb