How to show different datasource columns in a gallery?

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Posted on by Srihari.molaka

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Hi Experts,

I have added SQL Server as a connection to my powerApp and added two tables as data sources to my app.

In that two tables one is header table and another is line table.

I created a gallery to my powerApp. For each record 5 columns need to show. In that,

1. The journal number in header table.

2. Journal name in header table.

3.Currency code and sum of amount these two columns are from line table.

4. Account number in the line table.

Journal number is the unique id in the header table and for one journal id multiple lines in the line table.

I need help for 3 & 4 columns and need to filter the gallery based on journal number and column 4.

whether i need to use filter inside another filter or any other?

Please can anyone help me to solve this by suggest formulas.

Thanks,

with regards,

User237.

Categories:

Building Power Apps

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Vijay Tailor 2,961 on at

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Hi @User237

as per my understanding, you need to use Join functionality.

for that, you can check the below URL , Hope this solution help you to resolve your issue.
https://powerusers.microsoft.com/t5/Building-Power-Apps/join-two-sql-tables/m-p/348783#M100124

Thanks,
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v-yutliu-msft on at

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Hi @User237 ,

Could you show me the structure of the two tables?

From your description, do you have these fields in your two tables?
1)you have fields named journal number, Journal name in header table;

2)you have fields named Currency code, sum of amount, Account number in the line table.

Do you want to filter the gallery based on journal number and Account number?

Could you tell me:

1)the relationship between the two tables?

2)formula in the gallery's Items?
3)the filter rule?

Based on your description, I do not quite understand your filter rule.

Best regards,

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agorkemt 73 on at

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Hey there,

If you still looking for a solution maybe you can try 'lookup' function and in your gallery, for each control you can use this lookup function and retrieve data from sql server for each gallery control. I tried something similar to this but it was a form, not a gallery and it worked.

You can also watch this video from Shane Young, too. the syntax etc, it explains real simple;

https://youtu.be/W5Z61Q9Rehs?si=4izvqSjwI7SCXvf4

Have a nice day!

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timl 36,383 Super User 2025 Season 2 on at

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Hi User237,

An efficient way to do which would be delegable is to create a view in SQL Server that joins the header and line tables. You would then add the view to your Power App and use that as the data source for your gallery.

The SQL for the view would look like this:

CREATE VIEW JournalSummary AS SELECT h.JournalNumber, h.JournalName, l.CurrencyCode, SUM(l.Amount) AS TotalAmount, l.AccountNumber FROM HeaderTable h INNER JOIN LineTable l ON h.JournalNumber = l.JournalNumber GROUP BY h.JournalNumber, h.JournalName, l.CurrencyCode, l.AccountNumber;

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CA1105 545 Super User 2025 Season 2 on at

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You can use Join in SQL servers to combine the 2 table data but also you can easily do 'Lookup' function in your add with both the sources.

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