It says all of the columns in the table are invalid and I have to redrag the newly named columns to get it to work again. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. Specializing in Power Query Formula Language (M), Power Query Formula Language (M), when I apply those chnages to dashboard the visuals were failed load. That isnt a problem and youll see why in a minute. As you say, the replacement column names would need to be listed in the correct order within List2. Is there a way to get around this? Find out more about the April 2023 update. previous = measure. The column you are selecting can be your primary key or unique key. When a gnoll vampire assumes its hyena form, do its HP change? Now we have 2 columns holding wrong and correct column names that we need to transform to list of nested lists.The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. The following M code will give us the old and new, cleaned column names. You can further enrich the function in case you need more control over the new column names. Does anyone know a good workaround to preserve column references in the visuals after applying such a bulk rename step? Any help would be most appreciated! The table columns can have either a static header title or a dynamic header title. We use cookies to ensure that we give you the best experience on our website. "When you rename a column in the Query Editor of Power BI.., it implicitly triggers the column references in your reports to be updated. If you wish to follow along or use the final function in your solutions, you can download the Excel file here. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). Next, select the FactInternetSales table which will be imported to Power BI and click "Transform Data" as seen in the diagram below. Fortunately, theres a better option to the one described above. Since the export was scheduled to run every day, it would be a nightmare to have to manually find all column name misspells and correct them. 3- Create relationship between both datasets on the basis of Index. In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Create dynamic format strings for measures in Power BI Desktop - Power BI And Index column not support the Direct Query Mode. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. In my data I want the data to be distributed by date so I have selected date Column. To get items from a list, you can refer to the index of an item in the list using curly brackets again, so change your formula to this, and youll get the column name shown below. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Lets see what we can do about it. ={[OldColumnName],[NewColumnName]} {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. Power BI. This visual allows us to generate the title based on a measure: And thats it, the custom visual is ready to be tested. 1) We need that date in a new Date column so we can relate it to a Date table later. To learn more, see our tips on writing great answers. if it would have been #"Changed Type", then: The first #"Changed Type" is generated automatically, so you need to use this name in the adjusted formula. Each row will represent a different language: Please, notice that this table includes translations not only for column titles but for visual titles as well. Dynamic header titles text will be defined based on a value (the language) selected by the user on a slicer. In this article, we'll show you some simple and advanced techniques for replacing column names in bulk. The Source step of the inner environment (environment of the ListObjectWithCleaningLogic variable) should also point to the function input variable. When you login first time using a Social Login button, we collect your account public profile information shared by Social Login provider, based on your privacy settings. I'll learnt a lot from stepping through your solution, thank you! For this scenario, we will implement the following ones: The association between the dynamic column values and dynamic column headers will be done through their data role index. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. Receive the latest updates on all business analyst news across all platforms. Otherwise I think you need to clarify your question for DAX/Report experts. Using M to dynamically change column names in PowerQuery Why don't we use the 7805 for car phone chargers? By Ruth Pozuelo Martinez. I think it might be possible using advanced editor, but i'm not very good at writing M. I have Dimension table and i want Dimension_name column to have its name dynamically from its values whitch is same in every row in this case. Would love your thoughts, please comment. With Power Bi Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. 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. From the ribbon, click Add Column > Index Column (dropdown) > From 0. M Power Query refer to DAX calculated table as a source, How to filter the data based on particualr column for the current fiscal year in sql, DAX Query for getting Total customer who made first Purchase. 1- Assign index to each rows using Index column under Power Query Editor. I have released my first template app which is Free to download here: http://bit.ly/2othNWm and one trick I use is to change column names based on parameters given by the end user. Did the drapes in old theatres actually say "ASBESTOS" on them? Dynamically change column names in Power Query using - antmanbi EXCEED Solutions d.o.o.Drenika 21, 10000 Zagreb, HrvatskaOIB: 25417969805MBS: 081124327IBAN: HR6523600001102641074info@exceed.hr+385 98 9461 471Ured: Modruka 2, 10000 Zagreb. Why refined oil is cheaper than cold press oil? However if I leave it at R6-1 then I have to go to the displayed tables and changed the column names one by one every month. The solution is simple, instead of using a static text box, like in the first approach, well opt for a card. Hi, @MarcelBeug. Generating points along line with specifying the origin of point generation in QGIS. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Dynamically Changing the Field/Column Name Based on Value of Other Column, How a top-ranked engineering school reimagined CS curriculum (Ep. Dynamic column name from its value - Power BI This is because this column is the only one that does not require multiple translations and therefore its header title will always remain static: Here will be stored the columns that need to have a dynamic header title. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. 2) On the Add Column ribbon click Add Custom Column. A minor scale definition: am I missing something? I can skip the Table.Transpose by using Table2 = Table.FromRows({List1,List2}). This will pick up all column names ending in . Dynamically change measure header name based on cr - Power Platform It certainly looks a lot simpler than my solution! Asking for help, clarification, or responding to other answers. Lets explain the most important parts about the script so far: As a side note, the same could be achieved by using Table.ColumnNames() function which would give us a list of all table column names. Now we have something that looks like this: Ok, lets get to work. 2.) We are going to extract that date and make it a column, as it should be, and then rename both columns regardless of what they are called. Now the date will fill the column. To get a nested list of lists, we also need to transform that NestedLists column to a list. If total energies differ across different software, how do I decide which software to use? Here I have some additional requirements. This is . It takes a nested list of old and new column names as its second argument. Improve your PowerQuery skills with Exceed Academy. Dynamically updating column names based on a mapping tablecould be super useful if only the output workednot just with flat Excel tables, but alsowith Power BI reports and Excel pivot tables! The standard function to rename columns in the query editor of Power BI or Power Query is Table.RenameColumns. If that is something else then you must use that step, e.g. This is why the errors dont matter. I need to create a global application where we will have an actual data table. Connect and share knowledge within a single location that is structured and easy to search. Infact, under column values it is showing error #, ------- Dynamic field names as values for the above line for Dept 2, not just with flat Excel tables, but also. Dynamically rename a set of columns using Power Query, https://bondarenkoivan.wordpress.com/2015/04/17/dynamic-table-headers-in-power-query-sap-bydesign-odata/, How a top-ranked engineering school reimagined CS curriculum (Ep. ID F1 F2 F3 ------Columns same as Data table(Table1) name, 1 X Y Z ------- Dynamic field names as values for the above line for Dept 1, 2 A B C------- Dynamic field names as values for the above line for Dept 2, So, whenever Departement 1 will use my application that time the field names will be X Y Z which will replace the Data Table(Table1) field names i.e. Thanks for a great solution. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. The goal is to always keep the Internationalization table filtered by a single row/translation. Absolut same issue - would be good to have a solution in here. Transform Column Names in Bulk in Power Query - BI Gorilla If it works, give me the result. Thanks, that video makes much more sense! I am trying to dynamically rename a set of columns in Power Query, List1 being the original column names and List2 the new column names. Introduction In this example, we will explain a very important feature of CALCULATE filter arguments. Embedded hyperlinks in a thesis or research paper. Now we have this: Both the 2nd and 3rd column need to be renamed, and we cannot double-click to rename, otherwise the refresh will fail tomorrow when the date changes to Nov 21, 2020. Find out more about the April 2023 update. Where can I find a clear diagram of the SPECK algorithm? Remember! If you continue to use this site we will assume that you are happy with it. Change column names dynamically with parameters in Power BI Information and consulting on Business Intelligence using Microsofts Power BI and Excel applications. Wouldnt be nice to add multilanguage support to our visualization? Then, click the small drop-down arrow located to the right of the column name. It is each column name in the table from the Promoted Headers step. This is how the final product looks: Both the source code of the custom visual and the sample report can be found in this public repository along side with more technical details about how this demonstration was achieved. What is Wario dropping at the end of Super Mario Land 2 and why? 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. I have released my first template app which is Free to download here: http://bit.ly/2othNWm and one trick I use is to change column names based on parameters. Well add it back at the end when our column names are predictable. We have a simple report that shows some useful insights about US states: So far so good, but it turns out that this report will be consumed by several people from around the globe, whose mother tongue isnt necessarily English. As there are 3 columns, enter 3 into the Modulo window and click OK. In case you have any questions, please feel free to post them below! These are retrieved from the Internationalization table: Remember that each title on the Dynamic column header data role will be associated to the Dynamic column column value field that shares the same data role index. Looking at your first code in your reply, it looks like "Dimension" is the table in which the data is being pulled. The preview window now looks like this. Youll notice I used {1} to get the second item in the list. This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. The try/otherwise construct says Try this formula. This idea is described in details here Change column names dynamically with parameters in Power BI. If you have a table with old and new names then you can use following pattern. Say goodbye to manual column renaming and hello to more time for analyzing your data! This slicer will grow automatically as we include more languages to the Internationalization table, making it easy to scale: Now we need to import and configure the custom visual. This is the simplest part of the tip. If I change the underlying sql script so that the column names are changed dynamically at the start of every month then it won't refresh because the same column names cannot be found by next month in the displayed table. 10000000 -- High - Low - High - Low - High - Low, 10000001 -- Low - Low - Low -Low -Low - High, Once I Imported this table into powerBI I can display such information in a table (Visual).