Button display symptom

I have 3 regions on a page and the 2nd region has 4 buttons and a SQL query report that shows data of EMP.

There are two page element:

HIDE_SHOW - which is show to show data and Hide to hide data.

P1_SAL_LIMIT - which limits employees by salary: 0 (default), 1500 or 2000

The buttons are:

Show - which, in a hurry, the report (not whole region just lines of data in the report.)

(The display button displays when: HIDE_SHOW = 'Hide'.) Note that the data is hidden when this button is displayed).

Hide - who, when you press on, hides the report

(The Hide button displays when: HIDE_SHOW = 'Show' and the data are displayed.)

SAL > 1500 - that show only employees with sal > 1500

SAL > 2000 - that show only employees with sal > 2000

The query is

Select ename, sal

WCP

where: HIDE_SHOW = 'Show' and SAL >: P1_SAL_LIMIT

What works:

Show, Hide, and Sal > 1500 work very well together.  Note: the Sal > 1500 button sets: HIDE_SHOW to 'Show', so we can see the data.

But I need to make a calculation when a SAL is depressed, so here's what I tried.  The SAL > 2000 button is configured with dynamic Actions (PL/SQL block and page refresh).  Note: I need to do (the same) a branch page or a refresh and not a page submit due to activity that may be pending in other regions on the page.


What I need / planned when you press Sal > 2000: Button hide THE appear as: HIDE_SHOW is set to 'Show' and the data is displayed.

Problem when you press Sal > 2000:  Even if I put: HIDE_SHOW to "Show" in the calculation by pressing Sal > 2000 has no effect on the button display.

It's a problem state of Session, right?  But I do not know how to solve it without a shipment.   I added a value set to the DAs, but that has not solved the problem.

How can I get the button 'Show' to react to the change in the value of: HIDE_SHOW?

You can see that he set up here:

WS: APEX_EXAMPLES_01

Demo / demo

Request 16604 (Button control), p. 1

Thank you

Howard

Yes, you're right, the show buttons were not quite functional, sorry, I was focused on the filters.  I've corrected the hide for the first in the region.  Region 2 is primarily and you can replicate the features for this one. However, the filter of Sal for region 2 buttons work and you can see how all this works regardless.  Please concentrate on the techniques.

The basic steps for filters are:

1 set filter limit

2 set the Hide_Show variable

3. hide the button display

4 show the Hide button

5. refresh the report.

Note the calculations. They are needed to initialize the values.

I also changed things so they trigger the change in value of an element.  This seems just obscure for me when the user cannot modify the element directly.  It seems preferable to trigger the button clicks. Is that the "button SHOW report 1" and "HIDE Report 1 button" DA are for.  If you look at them, I think they are really easy to follow (Show button, hide the other button, set the filter Hide_Show, update report)

When break it down you into steps and give meaningful names to your items (objects, regions, da, etc...) I think that all this becomes much easier to manage.

I've certainly seen unmaintainable requests since I started way back on HTMLDB 1.6 APEX.  That said, they are for the most part easy to maintain when things are well thought and steps are broken into easy understandable actions.

Good luck!

Thank you

-Jorge

Tags: Database

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