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misc
Responsive Resident
Responsive Resident

How do I auto-select the first item in a gallery?

This post is tangentially related to this one I made the other day.

 

Essentially, someone gave me a fix which I have worked with to make sure that reference numbers are never doubled up on, however, this fix relies on a gallery (TicketsArchiveGallery) to have the first item 'selected'. This gallery however is 'hidden' on a page of the app the user should never see - it's just there to help me reference the ID number for the new reference number, this means that where my reference number is worked out using the following formula:

 

 

If(TicketsArchiveGallery.Selected.IDStatic >= varID, TicketsArchiveGallery.Selected.IDStatic + 1, varID)

 

 

If I have not 'Selected' record in the gallery it still doubles up reference numbers in certain situations. 

 

My gallery is filtered so it's descending by the IDStatic number:

 

SortByColumns('Tickets Archive', "IDStatic", Descending)

 

 

Is there any way to 'Select.Parent' of the top item in a gallery when another screen is OnVisible (or the app on-start, even)? Is there a better solution to this?

 

 

Thanks!

1 ACCEPTED SOLUTION

Accepted Solutions
RandyHayes
Super User
Super User

@misc 

Set your Default property to : First(Self.AllItems)

 

I hope this is helpful for you.

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20 REPLIES 20
RandyHayes
Super User
Super User

@misc 

Set your Default property to : First(Self.AllItems)

 

I hope this is helpful for you.

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!
RTB_10
Advocate II
Advocate II

@RandyHayes  close... but each time I select on another item in the gallery it immediately goes back to the first item.

rwittels
Responsive Resident
Responsive Resident

Same issue. Would really help to automatically select the first item in a gallery without it getting stuck on that item.

Anonymous
Not applicable

This works for me:  I have a screen with a gallery and a form. The form is, of course, supposed to display the selected gallery item, which I am storing in a variable. So the Item property of the form is set to varSelectedProject. 

 

On the OnVisible property of the SCREEN, I set varSelectedProject as follows:

Set(varSelectedProject,First(GalleryProjectFiles.AllItems))


So now when the user first arrives on the screen, the form is populated with the first item in the gallery, but there is no problem switching to a different gallery item.

Anonymous
Not applicable

@Anonymous , will you please elaborate the steps you have taken to solve this problem. Replicated the same but not able to solve this, in my case gallery gets filtered by user login

Anonymous
Not applicable

EDIT: I found in some cases, I need to add a ResetForm function to refresh the form and ensure it displays the correct variable. Example:  Set(varSelectedEntry, First(GalleryIssues.AllItems)); ResetForm(FormEdit)

****************************

 

@Anonymous  here's what I did:

 

I have a screen named Add Products. On the screen I have a gallery and an edit form. The form displays the selected item from the gallery.

I set the Item property of the Form to varSelectedProject.

 

formItemPlaybook.PNG

 

In the gallery, I have a selection icon and the OnSelect property of that icon is set to: Set(varSelectedProject, ThisItem): 

 

galleryOnSelectPlaybook.PNG

 

So when the user clicks the icon, ThisItem gets populated on the form. 

 

To get the first gallery item selected by default, I used the OnVisible property of the screen itself. As soon as the screen loads, I'm setting that varSelectedProject to be the First item in the gallery:

 

 

 

Set(varSelectedProject,First(GalleryProjectFiles.AllItems))

 

 

 

onVisiblePlaybookScreen.PNG

 

Does that help?

 

P.S. to get the selected item highlighted with a different color, I'm using the TemplateFill property of the gallery:

templatefill.PNG

@RTB_10@misc@rwittels I was able to resolve this by creating a variable (e.g. varSelectRecord) and assigning it to a Gallery's (e.g. myGallery) Default property. On loading the page, Set(varSelectRecord, First(myGallery.AllItems). Then set the OnSelect property of myGallery to Set(varSelectRecord, Blank()). This should clear the default record when selecting another record in the gallery. Hope this helps!

Anonymous
Not applicable

This answer you gave above worked but  when gallery is loaded  first item is selected according to the code ,while i am trying to select other item for the first time it is not selecting other item , it is selecting other item only after first click it means for second,third and fourth click .
can you please help me to solve the above issue

 

 

 

Hey issue got resolved without setting default value to balnk(). i setted onselect property with nothing

Anonymous
Not applicable

Can you please help me to solve the issue

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