And Index column not support the Direct Query Mode. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. As you say, the replacement column names would need to be listed in the correct order within List2. Then, click the small drop-down arrow located to the right of the column name. Lets see what we can do about it. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? In order to add multilanguage support to our report, we need to have a record for each title translation that can be displayed. In the CleanColumnNames step we called the table as it was at the source step (before we created the nested lists step), and as a second argument to the Table.RenameColumns() function we provided the nested lists applied step. Now, when switching between the available languages, the header titles will change dynamically to the corresponding translation: Last but not least, we need to add dynamic titles to both slicer and table visualization. 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. Name the column Date and use this formula: You dont have to have the line breaks and indents, it just makes it easier to read. What are the advantages of running a power tool on 240 V vs 120 V? Change columns name dynamically - Power Platform Community 1) We need that date in a new Date column so we can relate it to a Date table later. were you able to get this working? The solution is simple, instead of using a static text box, like in the first approach, well opt for a card. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. Finally figured it out using the following function, Table.TransformColumnNames(table as table, nameGenerator as function, optional options as nullable record) as table. Otherwise, return null. It is like IFERROR() in Excel. To get a nested list of lists, we also need to transform that NestedLists column to a list. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. where Table2 is "Rename Table" and Table1 is initial table with data. There was no predictable logic on where it could introduce additional characters in the export. Lineage is a part of DAX mechanics that enables us to use tables as filter arguments for the CALCULATE function. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Thanks Carl, I'll take a look at this. That isnt a problem and youll see why in a minute. Find out about what's going on in Power BI by reading blogs written by community members and product staff. if so please share? These changes should be dynamically applied to all the created chart objects. Next, select the FactInternetSales table which will be imported to Power BI and click "Transform Data" as seen in the diagram below. 5) Delete any steps you have up to the Promote Headers. (adsbygoogle = window.adsbygoogle || []).push({}); If you want to achieve this with in Direct Query then you have to prepare your datasets same like Import Mode final Datasets. So it sounds like a strange request to me, but if you think something should be possible, I think you'd better start a new topic. That will cause problems in the refresh. "When you rename a column in the Query view of the Power BI Designer Preview, it implicitly triggers the column references in your reports to be updated. Unfortunately, it doesn't seem so. When I rename columns it breaks the tables I have made. Log In, Curbal has its own social media server on Mastodon. I like how Table.ToRows strips out the column names and Table.FromRows rebuilds the table again with List2 as the column new names. We have only a single table argument entering our function (TableWithDirtyNames). The visual will consist of a simple and plain table, allowing to have multiple columns and rows. The filtering is set to single select to avoid selecting multiple languages at once. Infact, under column values it is showing error #This field can't be used since it is invalid. 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. Let's get started and learn how to rename columns like a pro in Power Query. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. After we transformed that record to a table, we duplicated the values column which is holding the old column names. Now, lets focus on the formula bar, specifically each keyword. In my example, here's my code for MyFuncRenameColumns: Here's where you use it as one of the parameters for Table.TransformColumnNames: Thanks for contributing an answer to Stack Overflow! Short story about swapping bodies as a job; the person who hires the main character misuses his body. With Power BI Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. Your valuable feedback, question, or comments about this post are always welcome or you can leave us message on ourcontact form, we will revert to you asap. Check this video if you want to do that to. Power BI - Dynamic Columns in a Table - YouTube 3) Right-click on the Date column and select the Fill menu, then Down. In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. Which language's style guidelines should be used when writing code that is supposed to be called from another language? Carl's has the same result and is a little simpler for the example I gave, however, my situation will benefit from having the rename pairs set out explicitly in a table (ie. If your table is empty, then I think you'll get an error when looking up the value in the first row (as there won't be a first row in such circumstances). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. "Signpost" puzzle from Tatham's collection. Generating points along line with specifying the origin of point generation in QGIS. previous 2 = measure. I have a table in SQL that get's refreshed at the start of every month which has the following columns. Using the general approach of demoting headers -> transposing tables -> cleaning the first column -> transposing again was not an option because files were big, therefore double transpose would take forever to process. 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. In the last 2 steps, we renamed both columns and cleaned values in the. SUGGESTIONS? For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. 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. I am also trying to do this for my report and am trying to follow along your explanation. There are three ways to rename a column in Power Query. 2.) Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? Which was the first Sci-Fi story to predict obnoxious "robo calls"? What is Wario dropping at the end of Super Mario Land 2 and why? For simplicity, I've hard coded the 5, but if your table can change (such that the columns you need to rename may not always be the last 5), then a more dynamic approach might be something like: oldNames = List.Select(Table.ColumnNames(someTable), each Text.EndsWith(_, " Value")). 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. Efficiently rename columns with a function in Power BI and Power Query The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. How do I stop the Flickering on Mode 13h? Thanks Ivan, I've restated the original example using your solution. F1 F2 and F3 fields. Power BI: How to Rename Column Headings with Power Query - th Now you see where this is going? Making statements based on opinion; back them up with references or personal experience. You can further enrich the function in case you need more control over the new column names. This is why the errors dont matter. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". Updated June 29, 2022. A possible solution for this requirement would be to create a different copy of our table visualization for each of the languages that we want to support. 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. Details: List. As always, set the data types for all columns at this point too now that we know what our column names will be. 1- Assign index to each rows using Index column under Power Query Editor. As pointed out by Imke, you can feed this issue . Hi, @MarcelBeug. 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. Check it out, Introduction to Power BI FREE Online course, Power Query Online Training [updated 2022], M Language Online Course: The unofficial and Practical Reference Guide, Dynamically find and filter header rows and promote them in Power Query. Does a password policy with a restriction of repeated characters increase security? Remember! Let's load both these tables to Power Query! Table indexing starts from 0, so running this expression will yield the following record. Out of an unknown reason, program was adding random spaces and non-printable characters before or after column names. 1.) In all other rows it will return errors, because there is no spaces in the other rows, and those are numbers, so there is no text to extract. Its current dataset consists of a single table with information about US states: However, this is not enough. Not sure whathow that would be generated automatically. I currently have a table like the one below (I know it's kind of odd logic): I would like to have the columns instead show the following: Since the data source I get this from automatically changes the first five columns to the appropriate year, I was hoping I could set the "Value" columns to have dynamic names based on the values found in the first five columns. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). The first 5 steps give my my column value (the publication year +1). From here, you can type in the new column name, and click "Ok" when done. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. It is preferable to use it only as a CALCULATE filter remover, not as a table function. What is Lineage? Looking at your first code in your reply, it looks like "Dimension" is the table in which the data is being pulled. Sadly, the built-in table visualization provided by Power BI does not support this feature, since the header titles can only have a static value: Even so, theres a way to get this feature done and thats by creating our own custom visual. If Department 2 will use my application that time the field names will be A B C which will replace the same Data Table(Table1) field names i.e F1 F2 & F3. Power BI > How to efficiently change the column names? - Leading 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. Dynamically change measure header name based on cr - Power Platform