Trap error messages in Forms

Hi guys!
I am using Oracle forms 10g. the validation unit of my form is set to form level.
I want to validate data when I commit the form. If they are errors in several text items I'd like to trap all the errors and their origin in a data structure like RecordGroup or PL/SQL tables. Can somebody tell me how I can identify the text field(s) that produce the error. Is there any built-in I can use to identify that for example : textfeld1 is malformed , textfield2 invalid number .....

I tried the ON-ERROR trigger and I also used WHEN-VALIDATE-ITEM but Forms still stops at the first exception it found. I cannot still trap the second one. I amdevelopping an application for a company and this is a client requirement. They want a message center. A display where they can see ALL the errors after committing the form. like:
-- List of error messages---
* Legal characters are 0-9-+E
* Date must be entered in format like DD-MM-YYY
* Not a valid month

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Display error message in forms from function "verify_function"

Hi,
We have a number of users with our own created profile attached to them.
We have enabled the 'PASSWORD_VERIFY_FUNCTION' for our own profile.
Function "verify_function" is used to validate a user's password.
In "verify_function" we have used "raise_application_error" message in case password validation fails.
Example:
raise_application_error(-20001,'Password must be minimum 8 characters in length and maximum 30 characters long');Question) "raise_application_error" displays the error message only in SQL Plus prompt. How do I display the same message from Oracle forms?.
I have used DBMS_ERROR_TEXT & DBMS_ERROR_CODE in ON-ERROR trigger. This is not displaying the error message in forms in case validation failed in "verify_function". Oracle simply clears the username/password field with a new window. We want to display the error message that occured in "verify_function".
Thanks

use the following code in validating the item, e.g when-button-pressed
begin
verify_function;
exception
when others then
message(sqlerrm);
raise form_trigger_failure;
end ;
OR
instead of writing a procedure rewrite it as a function to return 1 if password is correct or 0 if password is wrong
Regards
Jihad

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Hi, Please help me to send error message to forms from Database Trigger?
RgDs,
Madesh.R.M

You are correct, the On-Error trigger is a Forms trigger. However, if your Form is going to display the error generated by the database stored procedure or trigger - you might not see the database error in your Form unless you check the DBMS_ERROR_CODE in the On-Error trigger and manually display the Error Code and associated Text. I've see this happen with a co-worker. The Form she was working on was based on a table with an Before-Insert trigger. Because she was not explicitely handling the error from the Before-Insert trigger in the Forms On-Error trigger, her Form appeared to halt for no reason at all. Once she added code to the On-Error trigger in the Form to handle the DBMS_ERROR_CODE, she discovered the trigger was producing an error and was able to show the error to the user in the On-Error trigger.
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DECLARE
   /*This example assumes you have an Alert defined
      in your Form called: 'ERROR' */
   al_id    ALERT;
   al_text VARCHAR2(200); /* Max text of a Forms Alert message*/
   al_btn   NUMBER;
BEGIN
IF DBMS_ERROR_CODE != 0 THEN
   /* Error code is ORA-00000 Normal Successful completion
       So only handle non-zero errors */
   al_text := DBMS_ERROR_CODE||':'||DBMS_ERROR_TEXT;
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   set_alert_property(al_id, alert_message_text, al_text);
   al_btn := show_alert(al_id);
END IF;
END;Your original question was "How to send error message to forms from Database Trigger?" The answer is you don't because Forms already gets the database error code and database message through the Forms DBMS_ERROR_CODE and DBMS_ERROR_TEXT functions. Look these up in the Forms help and it should clear things up for you.
Craig...
Edited by: CraigB on Jun 14, 2010 4:49 PM
Edited by: CraigB on Jun 14, 2010 4:49 PM
Edited by: CraigB on Jun 14, 2010 4:50 PM
Edited by: CraigB on Jun 14, 2010 4:51 PM
Edited by: CraigB on Jun 14, 2010 4:51 PM

Trapping exceptions/error messages on form based on procedure

I am trying to display meaningful error messages when various exceptions arise. I have created a form based on a procedure and the procedure works and returns an exception where I want it.
I have been trying to use the PL/SQL Button event handler to return an error message to the user, but have not succeeded. I have tried:
doSubmit;
exception
when others then
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p_block_name => 'DEFAULT',
p_attribute_name => '_STATUS',
p_value => 'my error message';
(I have run this code both with a return at the end and not.)
This runs, but this return a page that says:
Error: WWV-0000.
(It does not display 'my error message'.)
I have also tried, from the Portal FAQs:
doSubmit;
exception
when others then
wwa_app_module.set_target('myschema.MY_ERRORS.SHOW?p_arg_names=p_errcode&p_arg_values=-1',
'GO');
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I worked out one answer: the code provided by Oracle for the second example omitted the portal schema qualifier on the wwa_app_module. It should be (for 10g release 2, at least)
PORTAL.wwa_app_module.set_target('myschema.MY_ERRORS.SHOW?p_arg_names=p_errcode&p_arg_values=-1',
^^^^^^^^^^
'GO');
This worked, and returned the custom error message.
I still can't figure out why the p_session.set_value returns an error message that's just WWV-0000, but I would like to. Any help, even just what page in what document to look at would be appreciated.

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Hi there,
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Error: Error #2101: The String passed to
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at Error$/throwError()
at flash.net::URLVariables/decode()
at flash.net::URLVariables$iinit()
at
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Ok ive figured out that Flash does not like the '&' sign
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CM

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Hi BaiG,
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Hi;
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This is the error message I keep getting.
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<?php
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On Wed, 20 Sep 2006 07:34:28 +0000 (UTC), "miketman"
<[email protected]> wrote:
> $subject - "from " . $Your_Email;
> $headers = "From: " . $Your_Name . " <" . $Your_Email
. '>\n";
> $headers = 'Content-type: text/html;
charset=iso-8859-1';
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I'm not sure what your question is but if it's how to get the same error as
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Thanks & advance
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Hi,
-------form program unit------
PROCEDURE RAISE_APP_ERR(P_ERR_CODE NUMBER) IS
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Raise_Exception EXCEPTION;
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) AS
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Hi,
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What error message?
Are you sure that the network is really public?

Trap error messages in Forms

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