RenameColumns

How to Use the Power Fx RenameColumns  Function in Power Apps

What is the RenameColumns Function?

The RenameColumns function is a Power Fx function that allows users to rename columns in a data table. It takes two arguments: the name of the data table and a table containing the old and new column names. The function returns a new table with the renamed columns.

How to Use the RenameColumns Function

To use the RenameColumns function, follow these steps:

1. Open the Power Apps Studio.

2. Click on the ‘Insert’ tab on the top ribbon.

3. Click on the ‘Data’ option and select the data source you want to rename columns for.

4. Click on the ‘Formula’ bar and type in the following formula:

`RenameColumns(DataSource, Table(OldColumn1Name, NewColumn1Name, OldColumn2Name, NewColumn2Name, …))`

Replace ‘DataSource’ with the name of your data source and ‘OldColumn1Name’, ‘NewColumn1Name’, ‘OldColumn2Name’, ‘NewColumn2Name’, etc. with the old and new column names you want to rename.

5. Press ‘Enter’ to apply the formula.

Examples

Here are some examples of how to use the RenameColumns function in Power Apps:

Example 1

Suppose you have a data source called ‘Employees’ with columns ‘FirstName’, ‘LastName’, and ‘Email’. You want to rename the ‘FirstName’ and ‘LastName’ columns to ‘First’ and ‘Last’, respectively. Here’s how you can do it:

`RenameColumns(Employees, Table(“FirstName”, “First”, “LastName”, “Last”))`

Example 2

Suppose you have a data source called ‘Sales’ with columns ‘Product’, ‘Region’, and ‘SalesAmount’. You want to rename the ‘Region’ and ‘SalesAmount’ columns to ‘Location’ and ‘Revenue’, respectively. Here’s how you can do it:

`RenameColumns(Sales, Table(“Region”, “Location”, “SalesAmount”, “Revenue”))`

The RenameColumns function is a powerful tool that makes it easy to rename columns in a data table in Power Apps. By following the steps outlined in this article, you can quickly and easily use this function to customize your data tables and build more powerful, user-friendly apps.

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