Dropdown list needs filtering

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Posted on by StuCundy

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Hi there

I have a list of schools and I wish to select one on a student form. This is on a customized form in powerapps. What filter methods will work if I wish to start typing the school name in search box first? I have tried this without success.

Filter(SCHOOLS, StartsWith(Title,SchoolSearchBox.Text, "Title"))

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WarrenBelz 155,344 Most Valuable Professional on at

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Hi @StuCundy ,
Firstly make the Default of your Search Text box "" (two quotes).
Other than that you were pretty close (I assume this is a gallery) for the Items property
Filter( SCHOOLS, StartsWith( Title, SchoolSearchBox.Text ) )

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eka24 20,925 on at

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One approach is to use a combobox, that allows you to search. So on the Items of the Combobox put the Datasource: SCHOOLS.Title

If you want to filter a Gallery that is linked to the Dropdown or Combobox, you try:
Filter(Schools,Title=Combobox1.Selected.Title)

If you want whatever you select to Appear on a form, then:
On the Form Item put: Gallery1.Selected
Then on the Gallery1 put: Schools
So whatever you select in the Gallery appears on the form

A screenshot will help it it still does not work
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StuCundy 377 on at

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Hi @WarrenBelz and @eka24
Thank you for your suggestions. I will try them all. This dropdown is in a customized form direct from a Sharepoint list. In powerapps but not an App. does that change things?

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WarrenBelz 155,344 Most Valuable Professional on at

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Hi @StuCundy ,
I am assuming you are going to put a gallery on this from anther list?
If so - it does not matter it is a SharePoint generated form

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StuCundy 377 on at

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hi @WarrenBelz
no plan to put in a gallery.... i just replaced the input with a dropdown and took the title of the other list as a parent relationship. Will I create issues by doing this?

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WarrenBelz 155,344 Most Valuable Professional on at

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OK @StuCundy ,
I seem to have the wrong track here - are you simply wanting to see the search items in the combo box when the user starts typing? Simply turn on "Allow Searching" in the settings. You will need a combo box for this if you currently have a drop-down.

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StuCundy 377 on at

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@WarrenBelz
Because there are so many schools I only get some of the list in the dropdown. A school starting with T doesn't appear, I guess to do the fact that powerapps only gets the first 500 items. So I thought if I have a way to set the letter to start the search then I will be able to select my target.

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eka24 20,925 on at

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If there are repetitions in the school names, you could use distinct:
Distinct(Schools,Title)
This will ensure one school at a time.
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WarrenBelz 155,344 Most Valuable Professional on at

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Thanks @StuCundy ,
Go into your App Settings > Advanced Settings and increase the limit to 2000. It should pick up to this limit.

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StuCundy 377 on at

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@eka24
no repeating names but i could filter by type, with a dropdown i guess. i.e. secondary schools

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