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Crystal Reprots Formula help

Posted on 2011-09-07
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Last Modified: 2012-05-12
I have 5 tables and in each table a field for the Year-To-Date Sales in numbers

I created a formula that will add up all the Year-To-Date Sales from all 5 tables.

The formula works if every table has the same record but if one table does not have one record then I get nothing back.

Here is the formula. Can someone help me to make this work?
 
{NDC_WHSE.YTD_SALES}+{609_WHSE.YTD_SALES}+{BIR_WHSE.YTD_SALES}+{DUF_WHSE.YTD_SALES}+{WPG_WHSE.YTD_SALES}

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Question by:Gerhardpet
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Expert Comment

by:RQuadling
ID: 36495587
In the formula editor, you should see a little box regarding how to handle nulls.

It is probably set to "Exceptions for Nulls".

Change it to "Default Values for Nulls" and your formula should work again.

See image below.

Crystal Reports Formula Editing Null Handling.
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Author Comment

by:Gerhardpet
ID: 36495621
I can't find anything. I'm on version 10...perhaps you are talking about a newer version?
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Expert Comment

by:RQuadling
ID: 36495688
In which case, you need to use the isNull(fld) function to determine if the fld is null first.

But I'm really sure that this option is there in older versions of Crystal.

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Author Comment

by:Gerhardpet
ID: 36495788
I'm not an expert in Crystal but this is what I when I try to edit a formula. Here is a sreenshoot
www.iversa.ca\files\Crystal.jpg
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RQuadling earned 500 total points
ID: 36496092
Can you try
if isnull({NDC_WHSE.YTD_SALES}) then 0 else {NDC_WHSE.YTD_SALES}
+
if isnull({609_WHSE.YTD_SALES}) then 0 else {609_WHSE.YTD_SALES}
+
if isnull({BIR_WHSE.YTD_SALES}) then 0 else {BIR_WHSE.YTD_SALES}
+
if isnull({DUF_WHSE.YTD_SALES}) then 0 else {DUF_WHSE.YTD_SALES}
+
if isnull({WPG_WHSE.YTD_SALES}) then 0 else {WPG_WHSE.YTD_SALES}

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Expert Comment

by:GJParker
ID: 36496646
How are the 5 tables joined together ? Can the year-to-date field be missing from any of the 5 tables or just one.

If it can be missing from any of the 5 tables the you'll need to use FULL OUTER JOINS to join the tables together but this may not work if you have constarints in the record selection formula on any of the tables.

You'll probably have more luck if you create a command as your datasource and UNION the 5 tables together, group on the ID field in the report and you can then sum the YTD_SALES field

HTH
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Expert Comment

by:mlmcc
ID: 36496813
CR XI (v11) added the Drodown for the NULL issue.

Do the tables have the same structure?
If so then the union idea has some merit.

mlmcc
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Author Closing Comment

by:Gerhardpet
ID: 36497494
Thank you RQuadling. Your formula works great!!
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