Warning sign never disappeared

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Posted on by Community Member

Hi all,

I just found some weird thing today. So I just create an Even Handler class to check a field during modification, to not having other character than numeric.

So I created a new class (copy the Event Handler On Modified for that particular field) and put the validation like this :

testStr = TEST_Line_ds.object(fieldNum(TEST_Line, MyReference)).getValue();
if (testStr != strrem(stralpha(testStr), '0123456789'))
{
warning("New reference should contains numeric only");
}

It is working, when I input some alphabet, warning message appeared and there is a red line surrounding the field with Red Warning Sign just in the right corner and doesn't allow to save.

So I remove the alphabet and now it can saved. Oddly, the red line and the warning sign still there, and I have to move to other line (record) and go back just to make it disappeared.

Am I missing something ?

Thanks

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André Arnaud de Cal... 299,397 Super User 2025 Season 2 on at

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RE: Warning sign never disappeared

Hi WWwong,

Can you illustrate your question with a screenshot?

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Yuji Imaoka on at

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RE: Warning sign never disappeared

Your code looks fine. but If I were you, change code as like below and debug it to find the cause of the issue.

testStr2 = strrem(stralpha(testStr), '0123456789');

if (testStr != testStr2)

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nmaenpaa 101,160 Moderator on at

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RE: Warning sign never disappeared

I don't understand how your code could even result in surrounding the field with red warning sign. Perhaps you forgot to share some other code that you have developed? Your code only prints a warning to infolog, it doesn't return false for any validations or anything like that.

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nmaenpaa 101,160 Moderator on at

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RE: Warning sign never disappeared

Additionally, I suggest you put your validation in validateWrite method of the table (or validateField method of the table). OnModified event is not the correct place for this kind of validation. You should use the dedicated validation methods/events.

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Community Member on at

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RE: Warning sign never disappeared

Hi All,

Eventually, I'm using ValidateWrite in the table instead. Guess I'm still confuse as and when we should use EventHandler class and when we should use the ValidateWrite. Sorry, I;m an old timer who used to work in older AX since Axapta. I just thought with the "new way" then we all should use then instead. It turned out not.

Btw, for the checking I'm using the less effective and easier function, IsInteger.

Thanks

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nmaenpaa 101,160 Moderator on at

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RE: Warning sign never disappeared

You use event handlers (and nowadays rather Chain of Command) when you want to enhance standard Microsoft (or ISV) objects with your logic. When you develop own tables and forms, you should override the methods (modified, validateWrite...).

The core idea has not changed so your old AX knowledge is still valid. You should still put your validation logic to validateWrite or validateField method / event.

Anyway, do you still have a problem with your code or is it now solved?

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