How to get lookup field value on Power App load form ?

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Posted on by SKY05

Hi All,

OnStart property of App, I am getting the Item ID using below code.

If(
!IsBlank(Param("ItemId")),
Set(
varGetItem,
First(
Filter(
'CustomerList',
ID = Value(Param("ItemId"))
)
)
)
)

Using this variable "varGetItem", This is nothing but item ID. I want to get the value of other columns.

varGetItem.ColumnName (SingleLine) - This is working fine.

But one of the field is lookup filed. From the lookup field I am not able to get the value.

ex:- varGetItem.LookupFieldColumn (Lookup Column)

Can you please help me into this.

Thanks

Categories:

Building Power Apps

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Rajkumar_M 3,741 Super User 2025 Season 2 on at

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Hi @SKY05

You can use the "Value" function to extract the ID of the lookup field, and then use the "Lookup" function to retrieve the corresponding record from the lookup table.

Try this formula,

Lookup('LookupTable', ID = Value(varGetItem.LookupFieldColumn), 'LookupField')

Thanks!

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SKY05 20 on at

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Hi,
Thanks a lot for your reply.
Here my main List is called "RequestDetail" and Lookup field is called "CustomerName" which is lookup from 'Customer' list and Get Information From 'Customer' column.
And Lookup list is called "Customer" and Lookupfield is also same name "Customer".
Written code -
LookUp(Customer, ID = Value(varGetItem.CustomerName),Customer)
but getting error -

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Rajkumar_M 3,741 Super User 2025 Season 2 on at

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Try this

Lookup(Customer, ID = varGetItem.CustomerName.ID, Customer)

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SKY05 20 on at

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Thanks again for your reply but there is no ID property of CustomerName lookup field.
varGetItem.CustomerName.ID

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Rajkumar_M 3,741 Super User 2025 Season 2 on at

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Can you try this,

Lookup(Customer, ID = varGetItem.CustomerName, Customer)

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SKY05 20 on at

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Thanks,
I have tried that as well but there is an error called "Incompitable type of comparision". I am also searching on google to get solution. Thank you so much for your effort.

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