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How to retain selection in Gallery + Form on DB refresh

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Posted on by Medoomi

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I am using CDS & have a screen with a Gallery & Form. The selected gallery item populates the form & the form can be edited.

My problem is however, that the gallery selection gets lost when I execute Refresh(Database).

Is there a way either to retain the gallery selection when a form is submitted, or to re-select the previous item after a form has been edited (and the database refreshed)?

Thanks!

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eka24 20,925 on at

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Try these steps:
1. OnVisible of the screen put:
UpdateContext({GallerySelected:!GallerySelected})

2. Insert another Gallery say Gallery4 and on its items put:
Form1.LastSubmit ....(Form1 to your actual form name)

3.Finally on the Item of the Form1 put:
If(GallerySelected,Gallery4.Selected,If(!GallerySelected,Gallery2.Selected))
Change Gallery2 to your existing Gallery connected to the form

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Power_Robert 117 on at

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Hi @Medoomi,

What you can do for the OnSelect() of your Refresh Button is something like this:
Set(varSelectedItemID, Gallery1.Selected.Id); Refresh(Database)

Now on the Default() of you Gallery you can do something like this:
LookUp(Database, Id = varSelectedItemID)

Hope this helps.

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Medoomi 523 on at

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@eka24
Thanks so much for your answer. I'm trying to understand the process. Am I correct thinking that Gallery4 would become a kind of "holding place" for the previously submitted form... So in practice, once the form was submitted, while Gallery2 might become de-selected, the form selection would remain?

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eka24 20,925 on at

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The idea is to be able to choose from either Gallery2 which holds the existing record and Gallery 4 which holds the latest submitted item.
You have a choice of selection between the two at any point in time.

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