Show/Hide field dynamically in page

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Hi everyone, I create a new field in Sales Header table called "Vasilhame" and this field only will be display when I choose a specific Posting No Series. So my idea was to include this field in my page and set the Visible property to a new boolean var I've created called ShowVasilhame.

This var have the option "Include In Dataset" equals to true and now I need to validate the change of Posting no Series equals to a specific text like "MRVFA" then this field should appear in my page, else it may still hide.

I create a function also called SetVasilhameVisibility(Show) where

LOCAL SetVasilhameVisibility(Value : Boolean)
ShowVasilhame:=Value;

Other code...

OnInit()
SetVasilhameVisibility(FALSE);

IF "Posting No. Series"='MRVFA' THEN
  SetVasilhameVisibility(TRUE);

OnOpenPage()
IF "Posting No. Series"='MRVFA' THEN
  SetVasilhameVisibility(TRUE);

Posting No. Series - OnValidate()
IF "Posting No. Series"='MRVFA' THEN
  SetVasilhameVisibility(TRUE);

Posting No. Series - OnLookup(VAR Text : Text) : Boolean

Posting No. Series - OnDrillDown()

My problem is when I change the posting no series, because it stays visible and don't hide anymore...

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Mohana Yadav 60,999 Super User 2025 Season 2 on at

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try SetVasilhameVisibility("Posting No. Series"='MRVFA');

no need of If condition

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Community Member on at

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In which trigger/function of the code?

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Mohana Yadav 60,999 Super User 2025 Season 2 on at

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where ever you have written earlier.

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The problem is that when I change the Posting No Series Code to another series like MRVFL this field should hide but stills visible..

OnInit() SetVasilhameVisibility("Posting No. Series"='MRPV1'); OnOpenPage() SetVasilhameVisibility("Posting No. Series"='MRPV1'); Posting No. Series - OnValidate() Posting No. Series - OnLookup(VAR Text : Text) : Boolean Posting No. Series - OnDrillDown() SetVasilhameVisibility("Posting No. Series"='MRPV1');

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Mohana Yadav 60,999 Super User 2025 Season 2 on at

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it should be under

Posting No. Series - OnValidate()

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I've add only code there and nothing... i've tried to add also in OnInit / OnOpenPage / OnNewRecord and nothing.

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Mohana Yadav 60,999 Super User 2025 Season 2 on at

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did you set this boolean field in Visible property of the field that you want to hide? ShowVasilhame

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Yes, the field vasilhame in the Visible property have "ShowVasilhame".. is this wrong? I assign ShowVasilhame value with SetVasilhameVisibility Function....

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I Gusti Made Ari 3,600 on at

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You need to Put this "Vasilhame" inside the group , and set the visible property on the group level instead. This will hide it when you are validating Posting No.

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So I create a Group with the field Vasilhame inside and with the option visible equals to "ShowVasilhame". Then I add this code in OnValidate

Posting No. Series - OnValidate()
SetVasilhameVisibility("Posting No. Series"='MRVFA');

And I've update my SetVasilhameVisibility function to

SetVasilhameVisibility(Value : Boolean)
MESSAGE('vasilhame %1 ',Value);
ShowVasilhame:=Value;
CurrPage.UPDATE(FALSE);

But nothing changed.. The message is not being pop when I change the posting no series... any idea?

I've also remove the code in onInit and onOpenPage to validate the posting series no..

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