[mapguide-users] Need help with IF-statment in Tool Tip

[Martin Morrison]

If the "empty" values are truly null, then check for null instead of checking the length. E.G

if($featureReader->IsNull('BILLING_ADD')){ 
	$billing_address = " "; 
	}


-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kratz
Sent: Thursday, November 12, 2009 11:11 AM
To: mapguide-users at lists.osgeo.org
Subject: RE: [mapguide-users] Need help with IF-statment in Tool Tip


I cant understand how this If-statement works.... 

I thought the [condition] was integer based. ex Length(BYGGINV_1)>0 
But obviously not... 

Could someone help explain how this If-statement work or better up how I can
find out whether the atribute contains any text (string) or not! 

Ex of how my table looks like:
http://n2.nabble.com/file/n3993782/Tabel.bmp 
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