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Crystal Reports - If your date based record select is null can you loop back until it is not null

Posted on 2009-04-09
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Last Modified: 2012-05-06
Hello Everyone,

I am working on a sales report-subreport and have a problem when there are no sales for a specific date.
I have the following record select statement on the subreport:
 {mydate} = {?Yesterday}.
 ({?Yesterday} is the date of sales and that is passed through to the sub report.)  

I have a lot of calculations based on {mydate}, so when {?yesterday} falls on a Sat or Sunday (when there are no sales) none of my calculations work.  Is there a way on the sub report and loop backwards to the last date when there were sales?   Can I do this in the record select on the sub form?

Thanks,

Bill
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Question by:bjennings
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5 Comments
 
LVL 101

Accepted Solution

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mlmcc earned 500 total points
ID: 24110294
Not really.  You could write a formula to change ?Yesterday to get Friday for Monday rather than Sunday.
You would then link the subreport on the formula rather than the parameter

It would be something like
If DayOfWeek({?Yesterday}) = 2 then
    DateAdd('d',-3,{?Yesterday})
else
   {?Yesterday}

mlmcc

0
 

Author Comment

by:bjennings
ID: 24112084
Hello Mlmcc..This works good, but it just dawned on me that their are Holidays and days that we are closed so there would not be any sales records.  Is there a way to check say to see if there are any records for {mydate} and if not to keep going back a day until their are records?

Thanks,

Bill
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LVL 101

Expert Comment

by:mlmcc
ID: 24112310
You could modify the formula to check for holidays but there is no way to then check if there are records for the given day.

mlmcc
0
 
LVL 35

Expert Comment

by:James0628
ID: 24113151
The best option would be if you could change the formula to account for any days that you're closed.  If you can't do that, I can think of other possibilities, but none of them seem particularly good (efficient/easy/etc.).

 James
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Author Closing Comment

by:bjennings
ID: 31568677
Thanks!  I can work with this formula!!
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