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Connecting buttons to Gallery

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Posted on by mtere

Hello, I´m trying really hard to connect this data, but it´s taking a long time and a lot of stress and I just came to the point that I give up.

The issue is pretty "simple".

I have a screen, with a vertical gallery, called "Gallery2" which is connected to a Sharepoint list, called "General".

Here the Sharepoint list:

Here, my screen on Power App:

As we can see we have a blue button on the top, called "21 bis dach" which is a category.

I want to filter the gallery based on the "Category 2" column of Sharepoint.

For example: I press the button "21 bis dach" and the gallery shows me only the titles related on that category.

But there is a problem: I can´t connect the gallery to the button because, apparently, category1 and category2 just don´t exist in the edit field section.

On "OnSelect" property of the button I wrote: "UpdateContext({Filterby21bisdach:!Filterby21bisdach})".

On "Items" property of the Gallery, I wrote: "SortByColumns(Filter(General), If(Filterby21bisdach=true, Category2.Text = "21 bis dach", Category2.Text<>""))" but it gives me error. The error messages are:

-Invalid number of arguments, received 1, expected 2 or more

-The function "SortByColumns" has some invalid arguments

-Invalid argument type (Boolean); Expecting a text value instead

Thank you in advance for your help.

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Building Power Apps

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SpongYe 5,909 Super User 2026 Season 1 on at

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Hi @mtere

The SortByColumns function can also be used to sort a table based on one or more columns.
Is not use to filter the data so I change the code and this should work.

Try this code:
If( Filterby21bisdach, Filter(General, Category2.Text = "21 bis dach"), Filter(General, Category2.Text<>"") )

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mtere 42 on at

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Hello SpongYe and thank you so much for you suggestion.
I used your code and I got this error on ".Text": "Name isn't valid. 'Text' is not recognized'".
I try to Google it but I got no solutions.
Do you have any idea?

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SpongYe 5,909 Super User 2026 Season 1 on at

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Hi @mtere

Is Category2 a textinput control?
If it is a dropdown please use the following code:
If( Filterby21bisdach, Filter(General, Category2.Selected.Value = "21 bis dach"), Filter(General, Category2.Selected.Value<>"") )

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PowerYsa Power Platform Enthusiast [LinkedIn] | [Youtube]

I love to share my knowledge and learn from others. If you find my posts helpful, please give them a thumbs up 👍 or mark them as a solution ✔️. You can also check out my [@PowerYSA] for some cool solutions and insights. Feel free to connect with me on any of the platforms above. Cheers! 🍻

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AndrewR1 1,572 Moderator on at

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Hi @mtere and @SpongYe I think because they are using Multi Selection choice field for there category's you will need to use the !IsBlank and in operators for the conditions:

If( Filterby21bisdach, Filter(General, "21 bis dach" in Category2.Selected.Value), Filter(General, !IsBlank(Category2.Selected.Value)) )

The only issue you will face is this will cause delegation warnings as long as the row limit is set to 2000 and you will not exceed the 2000 row limit when collection your data this should be fine!

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. Remember, you can accept more than one post as a solution. If the content was useful in other ways, please consider giving it Thumbs Up.

Thanks
Andrew

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mtere 42 on at

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Thank you both, @SpongYe and @AndrewR1 for your help 🙂
I used both codes, I tried to make some changes; for some reason, there are issues.
I have a dropdown menu, with the Display Mode set to "View". The name of this dropdown menu is "Dropdown3".
This dropdown menu is connected with the "Category2" column from my Sharepoint list. In fact, we can see that we have the text "21 bis dach" over there.
That´s how it looks like:

I used this code on the Items section of the main Gallery:

If( Filterby21bisdach, Filter(General, Dropdown3.Selected.Value = "21 bis dach"), Filter(General, Dropdown3.Selected.Value <> "") )
"General" is the name of the Sharepoint list, Dropdown3 is the name of the dropdown menu.
The gallery is called "Gallery2" (for your reference).

If you´re wondering if I twiched between "SelectedText" or "Text" instead of "Value" etc, and MANY others, my answer is YES, I did.

The error that I always got is this one:

It´s getting way more complicated than expected... but I´m sure we can find a solution.
I´ll accept any suggestion from your side.
Thank you again!!

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