With the Index column selected click Transform > Standard (dropdown) > Modulo. Then, click the small drop-down arrow located to the right of the column name. On the other side, doing so makes Power Query code less readable and editable plus you need to do some typing (coding). This visual allows us to generate the title based on a measure: And thats it, the custom visual is ready to be tested. Now the date will fill the column. If that is something else then you must use that step, e.g. Using M to dynamically change column names in PowerQuery Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Table indexing starts from 0, so running this expression will yield the following record. The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. Plus using the MissingField.Ignore parameter with Table.RenameColumns means that it will only change the selection of columns I want to rename in my production query, the rest will remain unchanged. Every time program had exported the data, column names exported with a random number of spaces. As there are 3 columns, enter 3 into the Modulo window and click OK. I've gone with Ivan's answer because in production, I have some columns that I don't want to rename plus I was trying to figure out how to use the Table.RenameColumns function properly. Also,can you elaborate on the "#changed type"? Sometimes though the column you are renaming can have different names with each refresh, so this method wont work. Which was the first Sci-Fi story to predict obnoxious "robo calls"? From basic find and replace to more complex formulas, we've got you covered. We have only a single table argument entering our function (TableWithDirtyNames). Connect and share knowledge within a single location that is structured and easy to search. Hi, @MarcelBeug. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. As Power BI designers, we always put our focus on giving the best experience to the users that will interact with our dashboard and reports. For the moment I am going to rename the columns manually by double clicking on the column headers and changing the names. if so please share? Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". All other structures of the file were correct. Power Query - conditional column with multiple entry criteria, How to get Column Names dynamically in Excel Power Query, Power Query: how to add columns for each row in a list, Power Query: (Data from Folder) New CSV with added columns replacing last columns from other csv in folder. Unless you have some complex requirements for the function to rename the columns, my solution here is overkill and too complex. The article was inspired by a request from a client who had issues exporting data from its data warehousing program to .csv files. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? Its current dataset consists of a single table with information about US states: However, this is not enough. Generating points along line with specifying the origin of point generation in QGIS. Does anyone know a good workaround to preserve column references in the visuals after applying such a bulk rename step? The easiest way is to create some base code in M by double clicking the column header and change the name in just something. It takes a nested list of old and new column names as its second argument. We can use a List in Power Query to make this dynamic. Having said that, it is important to remember that small details can make a big difference. The solution is simple, instead of using a static text box, like in the first approach, well opt for a card. Let's load both these tables to Power Query! {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. To see how it works, remove your manual renaming step, and type in this formula, and you will get the list shown below. Here I have some additional requirements. By Ruth Pozuelo Martinez. This way we are making the code easier to maintain and change in case we need to add more transformation logic to the new column names. In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. where Table2 is "Rename Table" and Table1 is initial table with data. Wouldnt be nice to add multilanguage support to our visualization? If we try to change the column names manually, this is the code we get: Now, if we focus on the second argument of the Table.RenameColumns() function, we can see that it is returning a nested list of lists! Check this video if you want to do that to. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. Find out about what's going on in Power BI by reading blogs written by community members and product staff. These tables will have different header titles based on the required language, however, only one of those tables will be shown depending on the language selected by the user. Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". Would there be a way to utilize a Switch or IF function for the name based on a slicer? Now we have something that looks like this: Ok, lets get to work. Dynamically Changing the Field/Column Name Based on Value of Other Column

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