How to add a descending filter in my gallery with If

[Shekinah]

Hello, I've been using Power Apps for a while and I can't filter my gallery in descending order,

indeed I have already filtered the gallery by status with IF but each time I want to add this

: SortByColumns('DataSource'; "ID"; Descendant) 

I have some errors can someone help me please

[WarrenBelz]

@Shekinah 

From what you posted, 

SortByColumns(
   'DataSource'; 
   "ID"; 
   Descending
) 

should be correct. If you want it added to the code in your image, please post this code in Text.

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[phipps0218]

@Shekinah, the only issue is your semi-colons and Descending spelling. It should be:

SortByColumns(
   'DataSource', 
   "ID", 
   Descending
) 

I hope this helps!

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[WarrenBelz]

@phipps0218 ,

That is European syntax and is valid in that region.

[Shekinah]

Hello @WarrenBelz ,

exactly I would like to add it to this code. how to achieve it

Here is the code in question

If(
varTabSelected=1;
Filter(
'Demande frais - Remboursement';
Statut.Value = "" Or Statut.Value = "Nouveau" && 'Créé par'.Email = VarUserEmail
);
varTabSelected = 2;
Filter(
'Demande frais - Remboursement';
Statut.Value = "En cours" && 'Créé par'.Email = VarUserEmail
);
varTabSelected = 3;
Filter(
'Demande frais - Remboursement';
Statut.Value = "Refusé" && 'Créé par'.Email = VarUserEmail
);
varTabSelected = 4;
Filter(
'Demande frais - Remboursement';
Statut.Value = "Validé" && 'Etape en cours'.Value = "prêt pour payement" && 'Créé par'.Email = VarUserEmail
);
Filter(
'Demande frais - Remboursement';
Statut.Value = "Validé" && 'Etape en cours'.Value = "clôturée" && 'Créé par'.Email = VarUserEmail
)
)

[phipps0218]

Thank you!

[WarrenBelz · Accepted solution]

Hi @Shekinah ,

Something like this should do it

SortByColumns(
   Filter(
      'Demande frais - Remboursement';
      'Créé par'.Email = VarUserEmail &&
      Switch(
         varTabSelected;
         1;
         Statut.Value = "" || Statut.Value = "Nouveau";
         2;
         Statut.Value = "En cours";
         3;
         Statut.Value = "Refusé";
         4;
         Statut.Value = "Validé" && 'Etape en cours'.Value = "prêt pour payement";
         5;
         Statut.Value = "Validé" && 'Etape en cours'.Value = "clôturée"
      )
   );
   "ID";
   Descending
)

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[Shekinah]

I have error messages like this

Number of invalid arguments: 1 were received, 2 or more were expected. The 'SortByColumns' function contains invalid arguments.
The name is not valid. "Status" is not recognized.

[Shekinah]

Thanks it worked