Key-down and post-query

hi,
i am debugging other people's work. on this form there are database item and non db items. and in post query trigger it populates non db items. the problem is when user key down, it goes to next record and fires post query trigger. but on key up trigger, it doesnt. does key down or key up automatically fires post-query trigger?

A list box is a very different object from a normal non-database item in the record. Oracle Forms does not expect you to need to change the contents of the poplist when you change records -- the values normally remain the same no matter which record is current.
So... if you really want a dynamic poplist, then you need to do this:
1. Use the post-query trigger to look up the name you need, and place it in a hidden Text Item.
2. In the when-new-form-instance trigger, create a record group at runtime: use create_group_from_query, and just do a select from dual, to establish a two-column record group with the list label colum large enough to hold the name to be displayed.
3. In a when-new-record-instance trigger in your block, clear the contents of the record group, and then add one row, and then set the value of the label column to the value of the hidden name field.
4. Then use Populate_List to put the contents of the record group into your poplist.

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I've written a program that extends applet but I can't get the event handling to work for keys.
I've copied the below code into my applet but at the moment not even my system.out's are printed.
How can I get this to work?
// Handle key down and key up events
public boolean keyDown(Event e, int key) {
int flags = e.modifiers;
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Thanks and sincere regards if you managed to read this far.

I have found a solution!
Your program, after it extends applet, you must also implement KeyListener, add the associated methods with KeyListener, and you must add the KeyListener in the init.
code should look something like this:
class program extends Applet implements KeyListener {
public void init() {
addKeyListener(this);
public void keyTyped(KeyEvent key) {}
public void keyPressed(KeyEvent key) {}
public void keyReleased(KeyEvent key) {
if (key.getKeyCode() == KeyEvent.VK_DOWN) {
// Do something when user hits down-cursor.
} else if (key.getKeyCode() == KeyEvent.VK_UP) {
// Do something when user hits up-cursor.
}

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Click to view full size
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Need Post Query Workaround - HELP!

This is urgent. Any help will go along way.
I am using Forms Builder 6i version 6.0.8.13.0.
I am designing a web based form that has 6 blocks.
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I need a work around.
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I realize this problem may be hard to clearly understand from my description so if anybody has the interest in solving a week long problem you can fire away your suggestions or email me at [email protected].
Maybe I can send you a screen shot to clarify the layout a little better.
Thank You.

Brian,
You can try this method, which will definately work.
As you have mentioned you want the module to automatically query Block4 based on the information ob Block 3.
You can write a form procedure which programitically populates BLOCK4. This procedure can be called from the KEY triggers which allows restricted procedures to be used.
Try this :-
1) Create Key-Up, Key-Down triggers on Block3.
Example :-
Key-Down Trigger On Block 3
Declare
lCurrRowPos Varchar2(10);
Begin
Next_Record; /* The cursor is on Block 3 */
lCurrRowPos := :System.Cursor_Record;
Go_Block ('BLOCK4');
Clear_Block (No_vALIDATE);
Execute_Query;
OR prg_populate_block4l
First_Record;
Go_Block ('BLOCK3');
Go_Record (lCurrRowPos);
End;
Key-Up Trigger On Block 3
Declare
lCurrRowPos Varchar2(10);
Begin
Previous_Record; /* The cursor is on Block 3 */
lCurrRowPos := :System.Cursor_Record;
Go_Block ('BLOCK4');
Clear_Block (No_vALIDATE);
Execute_Query;
OR prg_populate_block4l
First_Record;
Go_Block ('BLOCK3');
Go_Record (lCurrRowPos);
End;
This way whenever the cursor moves up and down the block3 the information is automatically displayed in BLOCK4.
Hope this helps.
Shailender Mehta

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null

I'm not running web. I went ahead and tried setting num lock off anyway, but it didn't make any difference. Thanks for the suggestion.
Ben
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by vijay kumar ([email protected]):
Are u running ur application in web?
Try the numeric arrow keys (set num lock off)
<HR></BLOCKQUOTE>
null

How to separate "Key down" event from panel and numerical control

Hi, All
I have a vi proecess key down events for panel and a numerical control in this panel. the application will do:
1. when panel is focused, user can use "up" and "down" key to driver some hardware.
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thanks
CQ
Solved!
Go to Solution.
Attachments:
KeyDown_Up_valuechange.vi ‏16 KB

This works for me in 2014. In short, you just need to check to see if your numeric has the focus. If it doesn't, then you process the key value. No need for any other event here except for the stop button.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
Unofficial Forum Rules and Guidelines
Attachments:
KeyDown_Up_valuechange_BD.png ‏32 KB

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