How to execute each block in a multi-block canvas while select the tab?

Hi All,
How to execute each block in a multi-block canvas by selecting a tab? I mean to say when i select a particular tab in a tab canvas the records should execute.How can i set this?
Arif

Hi Arif
Good Example Manu offered i wish it works if not pls try the following...
Pls try in the when-tab-page-changed trigger in the form level
DECLARE
    tp_name varchar2(30);
BEGIN
-- Retrieve the NAME of the top most tab page using the built-in GET_CANVAS_PROPERTY function.
--Pass in the name of the Canvas your tabs are in and the system variable topmost_tab_page which stores a property number
tp_name := GET_CANVAS_PROPERTY('CANVAS11',topmost_tab_page);
-- Perform specific tasks based on the name of the top most tab
IF tp_name = 'PAGE12' then
GO_BLOCK('block_name');
   GO_ITEM('DATA_BLOCK_1.FIELD_1');
EXECUTE_QUERY;
ELSIF tp_name = 'PAGE38' then
GO_BLOCK('block_name');
   GO_ITEM('DATA_BLOCK_2.FIELD_1');
EXECUTE_QUERY;
ELSIF tp_name = 'PAGE47' then
GO_BLOCK('block_name');
   GO_ITEM('DATA_BLOCK_3.FIELD_1');
EXECUTE_QUERY;
END IF;
END;
Hope it helps...
Note: i do agree with Craig
Regards,
Abdetu...
Edited by: Abdetu on Feb 2, 2011 7:41 AM

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Hi Kleopatra,
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Please allow me to clarify first: Actually the problem is not that the child components (inside tabs) get focused before the selected tab. The problem is: the component outside of the tabs gets focused before the selected tab. For example, the JButton in the SSCCE posted above gets focused when users switch between tabs, despite the fact that the JButton is not a child component of the JTabbedPane.
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1) JRE 1.6 causes the focus to transfer to the JButton (which is outside of the tabs entirely) first; then
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3) JRE 1.6 transfers the focus to the tab contents; then
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5) Users are forced to manually scroll up to see the tab headers whenever they are just switching between tabs.
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