Collection Sorting in Power Apps

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Posted on by Sajith

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I have a dropdown collection as shown below. How to get 130 first and 122 last in descending order ?

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Building Power Apps

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Krishna_R 525 on at

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Hi @Sajith

Have you tried
SortByColumns( collection, Column Name, Descending )

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v-albai-msft on at

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Hi @Sajith ,
How do you create the collection? Could you please provide the formula about how do you create this collection?
Best regards,
Allen

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Sajith 182 on at

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Unable to use this and not sure how to use SortByColumns

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Sajith 182 on at

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The requirement is to have a blank selection. Hence I used the below formula - OnSelect of Dropdown
ClearCollect(ERCollection,{Name:""});Collect(ERCollection,Distinct(Request,ERNos))
Here Request is SharePoint List Name and ERNos is List Field Name.

Then assigned ERCollection to Items of Dropdown. Now I want to sort it descending.

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v-albai-msft on at

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Hi @Sajith ,
Try this:
SortByColumns(ERCollection,"Result",Descending)
Best regards,
Allen

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Sajith 182 on at

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The formula -SortByColumns(EReqCollection,"Result",Descending) - works for items property of dropdown control.
However the blank selection is coming last - ClearCollect(ERCollection,{Name:""}); Any option to make it first. Please note that one more blank is actual value in the field.

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v-albai-msft on at

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Hi @Sajith ,

I can understand what you mean now.

You can directly sort the distinct results when creating this collection(except the first blank value). So try to create the collection using this code:

ClearCollect(ERCollection,{Result:""},SortByColumns(Distinct(Request,ERNos),"Result",Descending))

Best regards,

Allen

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Sajith 182 on at

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The values are coming in New/Edit Form.
However in Edit, the value stored in list column is not getting selected on Page Load.
Dropdown Item - ERCollection
Dropdown OnSelect - ClearCollect(ERCollection,{Result:""},SortByColumns(Distinct(EngineeringRequest,ERNos),"Result",Descending))
Dropdown Default - ""

For default, ThisItem.ERRefNo is not getting selected while editing the form.

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