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Validate form fields when using patch?

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Posted on by StuDev

Hi all!

Hoping somone can offer some advice here.

I have a Form that is split over 2 tabs on my Powerapp. In order to submit the form, I use the Patch function.

I normally use the SubmitForm() function and it automatically validates the fields and you get the relevant errors in red text(see screenshot:)

My question is this:

How do I validate the same way when using the PATCH function?

Is it possible to run the same validation as the SubmitForm() before doing the patch?

Thanks in advance

Here's my code:

//Old method of submit form
//SubmitForm(FormShiftData);
Patch('MWOS_Data_LN', Defaults('MWOS_Data_LN'), FormShiftData.Updates,FormRejectData.Updates);
If(
     // check if there were any errors when the test score was submitted
     !IsEmpty(Errors('MWOS_Data_LN')),
     // if true, show any error message
     Notify(
         Concat(Errors('MWOS_Data_LN'), Column&": "&Message),
         NotificationType.Error
     ),
     // else, go to success screen
     ResetForm(FormShiftData);
     ResetForm(FormRejectData);
     Refresh(ExistingRecordsView);
     Navigate(ViewMainScreen,ScreenTransition.Fade);
 )

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Experimental features

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WarrenBelz 153,165 Most Valuable Professional on at

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Hi @StuDev

Try Form.Valid
If( FormShiftData.Valid && FormRejectData.Valid, Patch( 'MWOS_Data_LN', Defaults('MWOS_Data_LN'), FormShiftData.Updates, FormRejectData.Updates ), Notify( "Errors . . . ", NotificationType.Error ) )

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StuDev 17 on at

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Thanks Warren.

Do I need to incorporate the error handling for the patch function after the form validation?

Pseudo code in BOLD red

IF (FormShiftData.Valid && FormRejectData.Valid) {

//true - form is valid, now do the patch and the error handling

Patch('MWOS_Data_LN', Defaults('MWOS_Data_LN'), FormShiftData.Updates,FormRejectData.Updates);

If(

// check if there were any errors when the test score was submitted

!IsEmpty(Errors('MWOS_Data_LN')),

// if true, show any error message

Notify(

Concat(Errors('MWOS_Data_LN'), Column&": "&Message),

NotificationType.Error

),

// else, go to success screen

ResetForm(FormShiftData);

ResetForm(FormRejectData);

Refresh(ExistingRecordsView);

Navigate(ViewMainScreen,ScreenTransition.Fade);

)

ELSE

//show the required fields - Will it do this automatically? or do I need to anything?

}

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WarrenBelz 153,165 Most Valuable Professional on at

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Hi @StuDev,

Unfortunately, you cannot have it both ways - if it passes the test, then there are no errors to display. You would need to go back to what you had before and capture any errors, This would also mean some manual action to capture missing fields.

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WarrenBelz 153,165 Most Valuable Professional on at

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@StuDev

A quick follow-up to see if you received the answer you were looking for or if you need further assistance.

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