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Cyril06
Helper III
Helper III

One or multiple galleries that is the question...

Hi with my bad english an exemple will be faster and limpid so:

From this sharepoint list: (french date format too )

 

TitleColorModified
PC01Red20/01/2020
PC01Blue22/01/2020
PC02Green26/01/2020
PC03Yellow25/01/2020
PC03Red28/01/2020
PC04Green12/01/2020
PC04Blue24/01/2020
PC04Red28/01/2020

 

I want a screen showing this result

 

TitleColorModified
PC01Blue22/01/2020
PC02Green26/01/2020
PC03Red28/01/2020
PC04Red28/01/2020

 

The last modified entry of each PC

I did it with 4 galleries on the same screen showing the Last() and navigating into 4 DetailForms and 4EditForms it's not sexy (one for each PC01, PC02...)

Is that possible to doit wih only One Gallery, One DetailForm and EditForm ? 

35 REPLIES 35

@RandyHayes  Hello I just had time today to try the remove function you tell me. It doesn't work and I have a note "first argument of Removeif must be a collection" 

So because I'm very doubtful about me I went on sharepoint, open a list named PARC_MSI (before it was HISTORIQUEMSI ...😁) and I asked Sharepoint to creat a PowerApp.

I have 4 different sharepoint lists created on the same pattern so I created a button into a new screen with his oneselect property: 

 

 

Set(CATEGORIECONSULTEE; PARC_MSI) 

 

 

I changed every where the list name by may variable. OK

I wrote your process to filter like I wanted to. OK

Changed DataSource and Item properties like you said. OK

 

I went to the editform I changed something I saw the change into SharepointList but nothing on the app screen until I went to my very first screen with the button and when I came back I saw the changes....

Even with the refresh button (I also changed the CATEGORIECONSULTEE into it) do nothing.... 

 

Do you have an idea of what's going on?

@RandyHayes  Ok I think I'm starting to understand, is this in relation with the GroupBy() ?

I just took it from scratch and just place the filtering process and I have the problem of not seeing the changes

 

Maybe I can make an action with the Gallery OnSelect property to load differently "without" the grouping ... 🤔

@Cyril06 

It sounds to me like you are changing around your datasources and the names and contents of it.  Please be aware that doing so will completely confuse PowerApps unless you know exactly what you are doing with the changes.  You need to certainly refresh the datasources in PowerApps, and if you are renaming lists, then you will mostly need to remove the old and add the new...of course this will then break all of the formulas that referenced the old and you will need to change the names in all of them.

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@RandyHayes 

I just made an other to be sur of what I describe to you.

From the PARC_MSI  sharepointlist I click on the link "create a powerapp application"

On the BrowseGallery1 Item property there was this

SortByColumns(Filter([@PARC_MSI]; StartsWith(Title; TextSearchBox1.Text)); "Title"; If(SortDescending1; Descending; Ascending))

All works fine

After I put your process 

DropColumns(AddColumns(AddColumns(GroupBy([@PARC_MSI];"Title";"records");"recent";First(SortByColumns(records;"Modified";Descending)));"STATUS_MACHINE";recent.STATUS_MACHINE;"SITE_MACHINE";recent.SITE_MACHINE;"Modified";recent.Modified;"ID";recent.ID);"records";"recent")

I can observe different things:

1 only the declared fields are not empty in the DetailScreen even if I have things written. To see them I need to declare them with the "xxxx";recent.xxxx; pattern.

2 when I click on the modify icon I go to the EditScreen I make a change and when I click on the validate button the DetailScreen is from an other item (for my example I was on the MSI03 and it came back on the MSI02)

 

@Cyril06 

So you are seeming to have more issues around forms than you are about your gallery formula.

If you are planning to edit records, then you will need to reference the correct record from the Gallery.

Your Item property on the form should reference the record that you want to edit.  Assuming that you are interested in editing (or viewing) the recent record, then you would need to set the Item property of the form to BrowseGallery1.Selected.ID as we have defined that in the formula to be the ID of the most recent record in your grouping.

_____________________________________________________________________________________
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!

@RandyHayes Hello Randy yes you know I really tried to be careful with all the declarations and things like that .

In fact I decided to simplify the formulas in fact I will create 4 differents screens/galleries for my 4 categories.

Now in this format it works. I still have some issues but I can deviate.  I'm not totaly happy because I do not like to avoid a problem I like to resolve it but I have to go forward.

 

Many thanks again to you for your time I learned many many many things with your help and I already use this things.

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