Crystal Reports Avoiding Missing Data

Technical Questions
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Topic: Avoiding Missing Data

Author	Message
bobbabuoy Newbie Joined: 10 Mar 2008 Location: United States Online Status: Offline Posts: 37	Topic: Avoiding Missing Data Posted: 02 Apr 2008 at 4:41pm
	I have a report that involves several tables via joins. I want to NOT show records where data is missing (is: IsNull) in these fields. Here is what I have tried in the "Edit Selection Formula" to no avail: not(IsNull({Orders.Accessory Style #}) and IsNull({Orders.Pants Style #}) and IsNull({Orders.Shirt Style #}) and IsNull({Orders.Coat Style #})) Thanks...
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Iago Groupie Joined: 01 Oct 2007 Location: United States Online Status: Offline Posts: 52	Posted: 04 Apr 2008 at 2:26pm
	With the "and" all need to be null, try using "or"
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bobbabuoy Newbie Joined: 10 Mar 2008 Location: United States Online Status: Offline Posts: 37	Posted: 07 Apr 2008 at 4:40am
	I want them to all be null to hide this record. If any one of them is not null then I want the record to show.
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Iago Groupie Joined: 01 Oct 2007 Location: United States Online Status: Offline Posts: 52	Posted: 07 Apr 2008 at 8:18am
	In the section expert, it is possible to supress any section including the detail section based on a formula that returns a boolean. CLick on the x+2 button next to the suppress checkbox. This button will turn red when there is a formula behind it. The formula overides the check box, so unchecking the checkbox will not keep the formula from suppressing records. It should also be possible to use the Show formula option in the select expert. That will not hide the records, but instead never return the records to Crystal.
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JohnT Groupie Joined: 20 Jan 2008 Online Status: Offline Posts: 92	Posted: 16 Apr 2008 at 1:21pm
	Wouldn't you just take the 'NOT' off the formula ? If they are all NULL, you get true and the line is suppressed.
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JohnT Groupie Joined: 20 Jan 2008 Online Status: Offline Posts: 92	Posted: 16 Apr 2008 at 1:25pm
	Sorry I forgot something. Take the NOT off and put the formula in the suppress detail line in the section expert. That way, if the formula is true, the line is suppressed.
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bobbabuoy Newbie Joined: 10 Mar 2008 Location: United States Online Status: Offline Posts: 37	Posted: 16 Apr 2008 at 2:41pm
	Turns out that the fields were "not null" but they were showing no data. I took the "not" out and replaced the formula with: {Orders.Accessory Style #} & "" = "" and {Orders.Pants Style #} & "" = "" and {Orders.Shirt Style #} & "" = "" and {Orders.Coat Style #} & "" = "" and it worked just fine. BTW, is there a better way to do that? Thanks for your help, all!
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