Create a collection on click of add button and save the collection to list

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Posted on by Iantaylor2050

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Need to create a collection on click of add button. The collection should allow me to add only 3 empty rows into it. If i add more than 3 rows, it should show me warning.

Once 3 rows are added, i should be able to edit those rows and add details into it. Something similar to below.

On click of submit button in the form, the collection should get saved to the SharePoint list in backend.

May i know how to achieve this?

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Building Power Apps

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Iantaylor2050 545 on at

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Hi All,

Can please help me on the above?

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LessCodePaths 100 on at

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Hi,

I would recommend this:

"Add" button:
OnSelect - add blank row to collection

Collect(yourCollection, {Name: "", Email: "", Designation: "", Contact: "", ID: Blank()})

Visible - hide button when there are 3 rows in the collection

CountRows(yourCollection)<=3

1. Patching rows separately

"Save" icon in each row:

OnSelect - save to SharePoint and recognize it is required to create new or update existing row
Patch( YourSharePointList, //define if new row should be created or existing row updated If( IsBlank(ThisItem.ID), Defaults(YourSharePointList), LookUp(YourSharePointList,ID=ThisItem.ID) ), { Title: ThisItem.Name, Email: ThisItem.Email, Designation: ThisItem.Designation, Contact: ThisItem.Contact } );

2. Patching rows at once - Bulk patch

"Save" icon below the gallery

Patch( YourSharePointList, ForAll( YourGallery As Items, { Title: TitleBox.Text, Email: EmailBox.Text, Designation: DesignationBox.Text, Contact: ContactBox.Text, ID: Items.ID //based on this ID column SharePoint automatically know if new record should be created or existing should be patched re } ) )

Hope it helps

L.

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Iantaylor2050 545 on at

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Hi,

I tried above code but its not working. If i click on edit button inside gallery, it should allow me to edit only that row and not other rows. Currently if i click on individual edit button, it allows me to edit all rows.

Also on form submit button, it saves 3 rows in datasource, however all 3 rows are blank, despite collection being populated with below rows. May i know why?

Add button OnSelect

Collect( yourCollection, { Name: "", Email: "", Designation: "", Contact: "" } )

Add button Displaymode (to allow only 3 rows to be added)

If( CountRows(yourCollection) < 3, DisplayMode.Edit, DisplayMode.View )

Gallery Items property

yourCollection

Gallery Edit icon

Set(editenabled,true)

Form Submit button

Patch( 'User Details', ForAll( yourCollection As Items, { Title: 'Name'.Text, 'Email': 'Email'.Text, 'Designation': 'Designation'.Text, 'Phone': 'Contact'.Text, User_List_ID:Form1_9.LastSubmit.ID } ) )

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LessCodePaths 100 on at

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Could you clarify which part does not work?

If I would like to sum it up:

1. You are able to add blank rows to the gallery and restrict rows count to 3

2. You are able to save the rows to the SharePoint when editing is done.

If you want to edit rows separately, I advise add new column RowGuid to yourCollection
Collect( yourCollection, { Name: "", Email: "", Designation: "", Contact: "", RowGuid: GUID() } )

Then you can set variable on edit icon to specify which record is in edit mode:
EditIcon.OnSelect
Set( varGuidInEditMode, ThisItem.RowGuid )

This variable should be used in DisplayMode property on all text inputs:

TextInput.DisplayMode

If( ThisItem.RowGuid=varGuidInEditMode, DisplayMode.Edit, DisplayMode.View )

Then, when you are done with editing, you should clear varGuidInEditMode variable:
Set( varGuidInEditMode, Blank() )

I'm not sure about Save.

It is working as expected? Are you want to save the data to SharePoint at once or row by row?

L.

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