| Oracle Forms - Tab Canvas [message #141804] |
Wed, 12 October 2005 04:34  |
mys4
Messages: 1
Registered: October 2005
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Junior Member |
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Hi All
I am developing a form using three blocks(a,b,c) and it is based on a tab canvas.Out of three blocks there is a master and detail relation ship between b and c.the tab canvas has got two pages.On one page i am dispalying the block a and on the other page i am displaying the Master and Detail. The Master Detail block is based on the stacked canvas and i have written a trigger When_tab_changed and controlling the stacked canvas.
when i bring it to the application, My tab canvas is not displayed.Could you please any one provide me solution for this.
Thanx
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| Re: Oracle Forms - Tab Canvas [message #141952 is a reply to message #141804] |
Wed, 12 October 2005 20:13  |
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djmartin
Messages: 10181
Registered: March 2005
Location: Surges Bay TAS Australia
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Senior Member
Account Moderator |
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If 'a' is on 'tab1' and 'b>c' is on 'tab2', what is on the stacked canvas? Let me call it 'ctrl'. I assume that you have defined the blocks in order 'ctrl', 'a', 'b', then 'c'.
Either in your When-New-Form-Instance have go_block('a');
go_block('ctrl');
If the tab canvas still does not appear then you have the canvases overlapping. Make the tab canvas very small and then progressively make it bigger. The arithmetic for canvas management can be a pain - some numbers are ordinal and others are cardinal.
David
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