Update Items property of Gallery on Selection of gallery Item to auto-Update Gallery on same Screen

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Posted on by amk1421

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Is there any way to update the "Items" property of a Gallery, to kind of perform async on the Gallery without navigating to new screen

Items= [Category_Name:"C1", Category_Name:"C2", Category_Name:"C3"]

So if I could do something like:

Items= If(Gallery.Selected.Category_Name<>"C1",
    [Category_Name:"sub1_C1", Category_Name:"sub2_C1"],
    [Category_Name:"C1", Category_Name:"C2", Category_Name:"C3"]
)

But it is not possible... Please suggest work around to get this done. Thanks!

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Building Power Apps

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narayan225 2,547 Moderator on at

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I am not sure what you are trying to do but you can do this using a collection.

I have done the following:

1. OnStart property of the app:

ClearCollect(colMainGalData,{Category_Name:"C1"}, {Category_Name:"C2"}, {Category_Name:"C3"})

2. Items property of the galler:

colMainGalData

3. OnSelect property of the gallery:

If(Gallery1.Selected.Category_Name<>"C1",ClearCollect(colMainGalData,{Category_Name:"sub1_C1"}, {Category_Name:"sub2_C1"}),ClearCollect(colMainGalData,{Category_Name:"C1"}, {Category_Name:"C2"},{Category_Name:"C3"}))

It works like:

And then:

Hope this helps.

Cheers!

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