| Re: Jump Control [message #554 is a reply to message #552] |
Mon, 22 January 2007 05:47   |
AJM
Messages: 2367
Registered: April 2006
Location: Surrey, UK
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Senior Member |
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If you want to jump to the ADD screen and then return to the LIST screen you must call the LIST screen first, but there is a way to do this without seeing the LIST screen until after the ADD has been processed.
- Create a new entry on MNU_TASK for the list screen which re-uses the current LIST script.
- For this new task set 'Initial Passthru' to the ADD screen, and set 'Keep Data on Exit' to NO.
- On your dropdown control point to this new LIST task, not the old one.
The idea behind 'Initial Passthru' is that when the task is run for the first time it does nothing but suspend itself and immediately pass control to the passthru task. When that passthru task terminates it goes back to the previous task which is the LIST screen. Because this is being re-activated, not initialised, it will ignore 'Initial Passthru' and show itself.
The idea behind 'Keep Data on Exit' is that when the task terminates (by disappearing from the 'breadcrumbs' area) its details remain in memory instead of being dropped. This means that when you select this task again it will automatically resume with its previous settings for search criteria, sort order and page number.
Tony Marston
http://www.tonymarston.net
http://www.radicore.org
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