Need a Crystal Report formula to concatenate strings during reading records

I have a report that takes partnumbers and cross references them with other partnumbers.
I have this information in the details
Partnumber   XRef                          I need this as the string
A                  B                              B
A                  C                              B,C
A                  D                              B,C,D
And then start the a new string when it gets to a new partnumber. Does anyone know how to do this?
Thanks
siboyd

Hi,
please create a formula field named "MySharedVariableTestGroupHeader" with the following code:
shared StringVar mySharedVar := "Start";
Then create a second formula field named "MySharedVariableTestDetails" with the following code:
shared StringVar mySharedVar;
mySharedVar := mySharedVar + " Next ";
Now create a thrid formula field named "MySharedVariableTestGroupFoot" with the following code:
shared StringVar mySharedVar;
mySharedVar;
Insert the newly created formula fileds in your report as follows:
MySharedVariableTestGroupHeader -> Group header section
MySharedVariableTestDetails -> Details section
MySharedVariableTestGroupFoot -> Group footer section
Watch what is displayed in your group footer.
I hope I am able to give you an idea about what you can do by using shared variables in Crystal Reports.
Regards,
Stratos

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Try this:
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If DateDiff is always returning a negative number you could try swapping the dates around in the call to DateDiff - it should look like this:
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whilereadingrecords;
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if OnFirstRecord then minArrival := DateTime(2013, 1, 1, 0, 0, 0);
if not isNull({SVCCLASSMEASURES_VW.OLDESTARRIVALTIME})
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whileReadingRecords;
datetimevar minArrival;
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Crystal Report Formula to select Record of only MAX Value

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Try this logic:
if{EXCISE_INVOICE;1.Basic Excise Duty BED@10 %}!=0 and{EXCISE_INVOICE;1.Education Cess @2%} !=0 and {EXCISE_INVOICE;1.Secondary Education Cess @1%} !=0
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Crystal report formula

hello
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table
custom_orders
=============
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Need a Crystal Report formula to concatenate strings during reading records

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