Cascading drop for Country and State based on lookup field from other list

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Posted on by Ganesh_naga

Hi Team,

Need to display Country and State value in to two different dropdown based on the selection from two different lists.

Country List:

Country_Name Country_Code

UNITED STATES

ARGENTINA

State List:

State_Name State Code Country_Code (lookup column from Country list)

Corrientes	04	AR
Entre Rios	05	AR
Jujuy	06	AR
Mendoza	07	AR
Alaska	AK	US
Alabama	AL	US
Arkansas	AR	US

Poweapps:

Country Dropdown: Should display Country_Name

State Dropdown: Should display State_Name list based on the Country selected.

Please assist how to write the formula for both the fields will be a great help..

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Building Power Apps

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mmbr1606 14,629 Super User 2026 Season 1 on at

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hey @Ganesh_naga

this video should show everything you need to know:

How to create Cascading (Dependent) Dropdowns in Power Apps (youtube.com)

Let me know if my answer helped solving your issue.

If it did please accept as solution and give it a thumbs up so we can help others in the community.

Greetings

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anandm08 1,936 Super User 2024 Season 2 on at

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hi @Ganesh_naga ,
Assuming you have two SharePoint lists or collections (CountryList and StateList) as described:
CountryList contains:
Country_Name (Text)
Country_Code (Text)
StateList contains:
State_Name (Text)
State_Code (Text)
Country_Code (Lookup to CountryList)
Step 2: Set the Items property of the Dropdowns
Country Dropdown (ddCountry)
Set the Items property of the Country dropdown (ddCountry) to display Country_Name from CountryList:

CountryList.Country_Name

State Dropdown (ddState)
Set the Items property of the State dropdown (ddState) to filter StateList based on the selected Country_Code from ddCountry:

Filter(StateList, Country_Code = ddCountry.Selected.Country_Code).State_Name

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Ganesh_naga 56 on at

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Hi Anand,

For the line ddCountry.Selected.Country_Code, I am not getting Country_Code. Only showing ddCountry.Selected.Value

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