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Dropdown from collection not updating or updating a different gallery item

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Posted on by DB-15121022-0

Hello,

I am fairly new to PowerApps so please pardon my ignorance. I am following a tutorial on Udemy and been confused by the behaviour of using a dropdown. You can see in the gif below that when I select an item from the dropdown, sometimes it updates another gallery item instead of itself, sometimes it updates with the wrong value as well. That is the case whether I use either of these

Patch(colOrders, ThisItem,{Order: Self.Selected.Value}) or

Patch(colOrders, ThisItem,{Order: Dropdown1.Selected.Value})

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WarrenBelz 155,495 Most Valuable Professional on at

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Hi @DB-15121022-0

What is in colOrders (what is the collect code) and do you have a unique identifier field in it ?

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DT-16121015-0 2 on at

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What is ColOrders? U should have a primary index for each record.
try ...

Patch(
colOrders,
LookUp(
colOrders,
ID= ThisItem.ID
),
{
Order: Dropdown1.Selected.Value
}
)

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DB-15121022-0 2 on at

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ColOrders is a collection
ClearCollect( colOrders, { Employee: "Dane B", Order: "Hamburger" }, { Employee: "John Doe", Order: "Salad" } )

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WarrenBelz 155,495 Most Valuable Professional on at

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Hi @DB-15121022-0

Try
Patch( colOrders, LookUp( colOrders, Employee = ThisItem.Employee ), {Order: Dropdown1.Selected.Value} )

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WarrenBelz 155,495 Most Valuable Professional on at

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@DB-15121022-0

A quick follow-up to see if you received the answer you were looking for or if you need further assistance.

Please click Does this answer your question if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it a Like.
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