ComboBox Set ALL Values as default selected item OR Add a selection for ALL Values

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Posted on by Community Power Pla... Microsoft Employee

Hi all,

My previous questions couldn't get the answer I want, so I'm wondering if there is any alternatives.

What I can think of
1) Set the default value to "ALL selections" (which ALL is not exist in the database table record).

2) Add a "ALL" selection into the list of combobox.

Appreciate for your sharing.

Thanks in advanced!

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PavanKumar 479 on at

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Hi,

On visible of screen load your data which you want to show in Combobox in a collection example
ClearCollect(colValues,{organisationvalue:"ALL"},organisation).//This adds both organisation datasource values and also ALL in the collection so that you can show that in items property of combobox.

(lets say your datasource is organisation in which organisationvalue field you want to display in combobox, then select organisationvalue field in display fields property of combobox)

if this answers your question mark it as verified and give thumbs up
Regards,
Pavan Kumar Garlapati

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Community Power Pla... Microsoft Employee on at

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@PavanKumar Firstly, thanks for helping on my question!
Do you mean the steps below?
1) Screen.OnVisible = ClearCollect(NewCollectionName,{ColumnNameInTheCollection:"ALL"},FromDataSourceTableName)
2) ComboBox.Item = NewCollectionName
ComboBox.DisplayField= ColumnNameInTheCollection
If yes, the combobox list is empty after clicked, not sure where goes wrong..
Did I miss some steps?

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Community Power Pla... Microsoft Employee on at

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@PavanKumar
I know why the list is empty, it needs to be switch screen to this screen then only the collection take effect due to the formula is in this screen.
However, it only show ALL without other value(as per image attached.)
May I know whether possible to show the all fields and also ALL?
Thank you

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PavanKumar 479 on at

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Hi,

On visible property of the screen you have added values to your collection right using Clearcollect.

Once check File-->collections--> your collection name (what records its showing). Those records populate in your combobox.

If you need to trigger the on visible property of the screen. move to another screen and come back to this screen.

If this answers your question mark it as verified and give thumbs up
Regards,
Pavan Kumar Garlapati

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Community Power Pla... Microsoft Employee on at

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@PavanKumar Pardon that I don't really understand.
Not sure what I have missed, how should I do in order to make the list (as printscreen above) to show all values and "ALL" too?
Appreciate for your explaination, looks forward for your reply.
Thank you!

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PavanKumar 479 on at

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Hi,

Could you elaborate how are you showing values in the Gallery?

If you are not already doing it. here are the steps to do so.

1. Within your Canvas App, Go to View --> Datasources and add your datasource (from where you want to get and who data)
2. In your Screen Add a Combobox (In the menu go to Insert --> Controls --> combobox)
3. Select the screen and go to Onvisible Property and write formulae ClearCollect(colData,{Id:"ALL"},Datasource) (Replace Datasource with your relevant datasource/datatable name. Id column replace with display text column of your datasource)
4. In the combobox properties go to Items and write colData. In Display Fields property --> (mention the column which you want to show in combobox)
5. Insert a Blank Horizantal Gallery in your screen (Insert --> Gallery --> Blank Horizantal) in the Items property mention the formulae
If(combobox1.selected.id = "ALL" , colData,combobox1.selecteditems).
//Above formulae means if user selects ALL in the combobox it shows all data which you got from datasource, otherwise it only shows record which users has selected.
In Gallery add required columns which you want to show.

if this answers your question mark it as verified and give thumbs up
Regards,
Pavan Kumar Garlapati

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Community Power Pla... Microsoft Employee on at

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@PavanKumar
Thanks alot on your steps in details below!
I tried again by following your steps, it is able to show "ALL" and other values in the combobox now!
Except No.5, If(combobox1.selected.id = "ALL" , colData,combobox1.selecteditems)
For the reference to anyone who may need it in Filter() and Distinct():
- I changed to If(combobox1.selected.id = "ALL" , true,id in combobox1.selecteditems.id) because I use it inside Filter():
Filter(TableName,If(combobox1.selected.id = "ALL" , true, id in combobox1.selecteditems.id))
- In order to make the value distinct, Item Property = Distinct(colData,FN1)so the formula have to change to :
Filter(TableName,If(combobox1.selected.Result= "ALL" , true, id in combobox1.selecteditems.Result))

Actually I wish to use Distinct but don't wish to use ".Result" because it is only one value which so inconvenient. Appreciate if you can advise on this.

Thanks again for your answer!

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