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Error at refreshing a form display

Hello, I hope everyone is healthy and safe.

First of all, my apologize about my english. It isn't my native language.


At the moment, I'm stuck in a form display issue. 

The Datasource of the form: CFC_Brasil_Ferramentas (sharepoint list)

And the Item function is: First(Filter(CFC_Brasil_Ferramentas, SAP = codigo_sap_1.Text)) (yep, i know First isn't delegable. I'm open to alternatives 😄 )

when I enter the codigo_sap.Text with a valid number, the forms works flawlessly. BUT, when I delete all the number at codigo_sap.Text, all the information at the form "disappear". 

I have a label which I would like to be visible, if "Disponivel" appear at the DataCardValue23,

The visible function: If(DataCardValue23.Text = "Disponivel", true, false)

And when an item at form appear with "Disponivel", the visible is true, but when I delete the codigo_sap.Text, it supposed to change to false, but it doesn't happen. The 'true' keep stuck, and messing my layout.

When I delete the number at codigo_sap.Text:
IsBlankOrError(DataCardValue23.Text) = true
IsEmpty(DataCardValue23.Text) = false


At the previous version of my app, I used a fews 'labels' to works like a Form, It was a bit messy but this routine works like a charm. But when I swaped to a definitive Form to enhance my layout, it happened =(


So, any ideas?

Thanks in advance.

Super User
Super User

Hi @Gabe_RookieDev ,

Firstly, this is Delegable

   IsBlank(codigo_sap_1.Text) || SAP = codigo_sap_1.Text

and the Visible property just needs to be

DataCardValue23.Text ="Disponivel"


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Hi Warren, thanks about your answer.

Thanks for the 'non delegable' function. The function which you post, the same it doesn't works, but I can handle this with LookUp.


About the DataCardValue, the problem it isn't the true/false situation at the DataCardValue, but it is at when I change the value of codigo_sap_1.Text to a blank value. It seems the DataCardValue keeps the old value when it supposed to be blank and the label visible doesn't update. 

Hi @Gabe_RookieDev ,

Why use a calculated label? Why not simply test on the value of the Text field becoming blank?

Because I need the value of status. Example: If Status = 'Disponivel', shows label1, if Status = 'Indisponivel', shows label2. 

Both labels have inverse logic at the visible property.

I recorded a video and converted to gif. I think after you watch, you can get the idea what I'm talking about.


Hi @Gabe_RookieDev ,

For some reason I cannot open the GIF, but I don't think that will assist. I stopped using calculated labels a long time ago for not only performance reasons (an on-the-fly variable or in-code calculation is always quicker), but also for the reason you are finding - the "order" of calculation of various elements did not always match the desired outcome.

You might have a think on how you can test what you have on the labels in the code to decide what happens.

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