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Gurpreet Goraya

Crystal report does not return the value as shown in SQL query

Aug 22, 2017 at 03:45 PM | 78 Views | Last edit Aug 22, 2017 at 03:45 PM 2 rev.

Hello,

I am struggling to show the BreakTime value if it meets the condition but, Crystal report shows the zero value. If I execute the SQL report which is generated by Crystal report it has non-null values. Here is the formula created in Crystal report:

If {Events.SCHID}=Previous({Events.SCHID}) and {EventStrings.EVSTRNAME} = Previous({EventStrings.EVSTRNAME}) and {Events.EVSTRID}={EventStrings.EVSTRID} and {Events.ACTIVITY} = 8 then ({Events.DWELLTIME})/3600

Please let me know if you have any other questions. I am very new to Crystal report. Hopefully was able to explain my concern. Thanks

GG

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SAP Crystal Reports
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2 Answers

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    Brian Dong
    Aug 22, 2017 at 09:49 PM

    Hi Gurpreet,

    Your formula doesn't have an Else. If the conditions aren't met then Crystal assumes you want a 0 because of the expected return value. If you want something else to show, add an Else statement.

    Brian

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    • Brian Dong
      Aug 28, 2017 at 06:19 PM

      Hi Gurpreet,

      When comparing current and previous records, you need to also check to see if the current record is new or not. Previous returns a null if there is no previous record. To do this, include the PreviousIsNull function at the beginning like: 

      If (PreviousIsNull ({Events.SCHID})) or 
	({Events.SCHID}=Previous({Events.SCHID}) 
	and {EventStrings.EVSTRNAME} = Previous({EventStrings.EVSTRNAME}) 
	and {Events.EVSTRID}={EventStrings.EVSTRID} 
	and {Events.ACTIVITY} = 8)
then ({Events.DWELLTIME})/3600
Else 0;

      Make sure you have the parentheses correct.

      Brian

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    Former Member
    Aug 23, 2017 at 11:47 AM

    Hi

    Also, open the formula and on top of formula editor, you will see 'Exception for Nulls', click on the drop down and select 'Default Values for Nulls' and save the formula and see.

    Thanks,

    sastry

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