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Crystal Reports Parameters

Posted on 2000-03-28
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Last Modified: 2010-05-18
CR7

I get the possible values for a
parameter field out of a database table.
When I add a record to that database table, how can I automatically add this record to the possible values of that parameter? I really don't want to change my report every time I add a record to that table.

Ok RONSLOW,
But how do you dynamically expand the number of parameter values, from code?

Bart
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Question by:TRAB
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6 Comments
 
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Expert Comment

by:RONSLOW
ID: 2663930
It is usually best to drive Crystal from (say) a vb app, as even the new improved tabbed parameter entry dialog is not really that nice.
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Author Comment

by:TRAB
ID: 2664163
Edited text of question.
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Accepted Solution

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RONSLOW earned 600 total points
ID: 2672715
don't think you can .. unless perhaps id you use the ActiveX control .. it is a lot more flexible.

What I was suugesting is write a little app the does the prompting itself (eg. reads the dat arom the database, populates a combo box and displays a dialog).  It would then open the report, set the parameter values accordinhly and start the report.
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Author Comment

by:TRAB
ID: 2672720
OK Ronslow, I've come up with that myself, but you get the points.
(I'm just a bit dissapointed it isn't possible)
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Expert Comment

by:RONSLOW
ID: 2672728
there are lots of disappointing things in the C++ Crystal interface .. the documentation for one :-)

For exmaple, there is a nifty technique for dynamically changing pictures in reports bassed on data in a database (eg the file name).  But this only works for the ActiveX control .. the C++ interface just doesn't have the hooks one needs.
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Author Comment

by:TRAB
ID: 2672739
What I really don't like about Crystal Reports 7 is the graphing functionality. It is so weak. Ever tried to make a diagram with a date-time axis where you want to display minutes?

Thanks again.
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