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This message was discovered on ASPFriends.com 'ngfx-crystal' list.


PennJ@compex.com
I am trying to pass parameters to my crystal report and have set up arguments in my adapter. I give the user the ability to select nothing from a dropdown box. How do I not pass the empty parameter to retreive all instead of that one specific row? Or is there a way to not pass the parameter?
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Beal, Sean
I would put some code in the selection formula of your report similar to
this:

If ?myParam <> '' then Database.field =3D ?myParam

That way, the report will ignore the parameter if it is blank.

Hope this helps.

Sean

-----Original Message-----
From: Click here to reveal e-mail address [mailto:Click here to reveal e-mail address]=20
Sent: Wednesday, July 03, 2002 12:40 PM
To: ngfx-crystal
Subject: [ngfx-crystal] Parameters

I am trying to pass parameters to my crystal report and have set up
arguments in my adapter. I give the user the ability to select nothing
from a dropdown box. How do I not pass the empty parameter to retreive
all instead of that one specific row? Or is there a way to not pass the
parameter?

| [ngfx-crystal] member Click here to reveal e-mail address =3D YOUR ID
| http://www.aspfriends.com/aspfriends/ngfx-crystal.asp =3D JOIN/QUIT
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