# of tab canvases dependant on the # of groups that come back from a query

Hi,
I'm trying to create a dynamic creation of blocks, and tab canvases dependant on the number of groups that come back from a query. If 4 groups come back then I desire 4 tabs with the appropriate data in each tab.

Basically Forms is not intended to build screens programmatically but it is possible to kluj it. Here's what you could do.
Create a form with (say) four tabbed canvases, enough to fill the display. Each canvas has its own block. Then you have video style buttons - Fwd, Bk, FFwd FBk - and just scroll the blocks across when the user clicks the button.
Did you enjoy the use of the word "just"? Sounds easy, doesn't it? In practice, what you need is an array that ties the filter criteria to the canvas number. Then you shuffle the canvases by applying the appropriate WHERE clause using SET_BLOCK_PROPERTY and then executing a query.
The problems with this are obvious and the same as any dynamically generated UI. It will perform badly (each navigation to a canvas will trigger a fresh query, plus there's the overhead of managing the stack). Also it is fragile: there's lots that can go wrong.
So you need to ask yourself what it is you are hoping to achieve. Can you deliver the same business function some other way? As another poster has pointed out, this is just a glorified master-detail form - the filter criterion being the master. Building this as a classic two block master-detail Form is more straightforward and more robust.
Regards, APC

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ORA-2001:The approver group Process MFG Approvals has dynamic query in wron

ERROR ORA-2001:The approver group Process MFG Approvals has dynamic query in
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You need to prefix the value with a text string which indicates what kind of value you are returning.
E.g. if you are returning a user ID, prefix the value with 'user_id:'; if you are returning a person ID, then prefix it with 'person_id:'
There is an article on my blog about creating a dynamic approval group in AME as part 5 in the series on AME: http://www.workflowfaq.com/ame-part-five-defining-a-dynamic-approval-group
HTH,
Matt
WorkflowFAQ.com - the ONLY independent resource for Oracle Workflow development
Alpha review chapters from my book "Developing With Oracle Workflow" are available via my website http://www.workflowfaq.com
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# of tab canvases dependant on the # of groups that come back from a query

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