| Re: drop-down [message #2548 is a reply to message #2547] |
Wed, 16 June 2010 03:55   |
AJM
Messages: 2371
Registered: April 2006
Location: Surrey, UK
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Senior Member |
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The ValRep array that is used to build a dropdown list or radio group is a simple associative array made up of value=representation pairs, where 'value' is the internal value used by the system, and 'representation' is a description which can be shown in the user's language of choice.
This means that the 'value' part can be used to look up a database record via its primary key. If this is a composite key, then the 'value' string must contain every part of this composite. You can do this by constructing a string in the format 'part1/part2/part3' where '/' is a separator which does not appear in any of the parts. Once the user has chosen a value you will then have to split out the parts before performing the database lookup.
Tony Marston
http://www.tonymarston.net
http://www.radicore.org
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