The easiest way to rename a column in Power Query is to do it the same way you do in Excel - just double-click it and rename it. Dynamically Changing the Field/Column Name Based on Value of Other Column Date to Invoice Date; Customer to Client; You'll see that a new step "Renamed Columns" got inserted with the following code. Find out about what's going on in Power BI by reading blogs written by community members and product staff. 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. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Since we needed to consolidate every daily export in a single database (we are talking about 365 different exports for a single year of data), we needed to create a function that will dynamically clean column names from additional spaces. Connect and share knowledge within a single location that is structured and easy to search. previous 2 = measure. https://bondarenkoivan.wordpress.com/2015/04/17/dynamic-table-headers-in-power-query-sap-bydesign-odata/, If you have the resulting column names you want, it seems like you could convert Source back to rows, then call Table.FromRows on List2, (Unless it is wrong to assume that e.g. when i select a month from slicer , i want to see my meaure "revenue" with the month name from slicer. The article was inspired by a request from a client who had issues exporting data from its data warehousing program to .csv files. with Power BI reports and Excel pivot tables! Next, we need to zip the new names and the old names together using List.Zip. From here, you can type in the new column name, and click "Ok" when done. We can use a List in Power Query to make this dynamic. Find out about what's going on in Power BI by reading blogs written by community members and product staff. Does anyone know a good workaround to preserve column references in the visuals after applying such a bulk rename step? Asking for help, clarification, or responding to other answers. 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! (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. Next, select the FactInternetSales table which will be imported to Power BI and click "Transform Data" as seen in the diagram below. 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The preview window now looks like this. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. Then, click the small drop-down arrow located to the right of the column name. Unless you have some complex requirements for the function to rename the columns, my solution here is overkill and too complex. Watch this video in which "Source"is the name of the previous step in my query. Does a password policy with a restriction of repeated characters increase security? Why typically people don't use biases in attention mechanism? Out of an unknown reason, program was adding random spaces and non-printable characters before or after column names. Embedded hyperlinks in a thesis or research paper. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus", Get the names of the 5 rightmost columns of the table (which should give you a list of 5 strings, all of which end in. Also,can you elaborate on the "#changed type"? Power BI - Dynamic Columns in a Table - Perficient Blogs Power BI - Dynamic Columns in a Table - YouTube Change column names dynamically with parameters in Power BI 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. Date.FromText() will take the date in the first row and convert 11/20/2020 to a real date. The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. How about you take one of our courses? Its based on three core promises: transparent pricing, short-term flexible contracts, and time zone affinity. (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({}); Hope you enjoyed the post. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. Power Query indexes at zero, so {0} would return the first item. To learn more, see our tips on writing great answers. Is there a generic term for these trajectories? 3- Create relationship between both datasets on the basis of Index. It should now look like this: It is dynamically finding the column name of the 2nd and 3rd columns and replacing it with specific text! 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). How do I stop the Flickering on Mode 13h? But I often come across scenarios where I would like the new column names to be created dynamically. The second parameter, here, plays the main role. Right-click the column of your choice: A contextual menu is displayed and you can select the Rename option to rename the selected column. Power BI: Custom table with dynamic header titles - Medium Power BI > How to efficiently change the column names? - Leading Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Sometimes though the column you are renaming can have different names with each refresh, so this method wont work. This is a good solution but after changing the column name with the help ofPower Query Formula Language (M), when I apply those chnages to dashboard the visuals were failed load. Variables are used in almost every measure you will create. 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. Having said that, it is important to remember that small details can make a big difference. That isnt a problem and youll see why in a minute. Once again, manually rename the headers. Introduction In this example, we will explain a very important feature of CALCULATE filter arguments. What's up guys! The standard function to rename columns in the query editor of Power BI or Power Query is Table.RenameColumns. powerquery - Dynamically rename a set of columns using Power Query If total energies differ across different software, how do I decide which software to use? As a rule of thumb, you should not use it in iterative functions. Parker here. Specializing in Power Query Formula Language (M), Power Query Formula Language (M), when I apply those chnages to dashboard the visuals were failed load. After we transformed that record to a table, we duplicated the values column which is holding the old column names. To learn more, see our tips on writing great answers. Let's load both these tables to Power Query! ={[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. With Power Bi Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. 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. The goal is to always keep the Internationalization table filtered by a single row/translation. Unfortunately, it doesn't seem so. I don't think there is anyway to rename column dynamically, You can create 5 measures, using current date and figure out all the years, You can add those measures to a table/matrix and overlay it on your main table. 2.) The try/otherwise construct takes care of it. If you dont know what a custom visual is, you can check this introductory article where we talk about it. Information and consulting on Business Intelligence using Microsofts Power BI and Excel applications. We can state that lineage is Crossfilter is a feature of DAX when it filters the underlying dataset even though there arent any visual filters present. 2- After that create duplicate dataset for columns un-pivot. 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. For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. Without the sugar syntax, this would be the equivalent of the each keyword. In my data I want the data to be distributed by date so I have selected date Column. We used records, lists, and an iteration to reach the solution, so this should be a pretty educational topic. EXCEED Solutions d.o.o.Drenika 21, 10000 Zagreb, HrvatskaOIB: 25417969805MBS: 081124327IBAN: HR6523600001102641074info@exceed.hr+385 98 9461 471Ured: Modruka 2, 10000 Zagreb. Strangely enough, this limitation/bug reported in 2015 still seems to be the 'state-of-the-art': "When you rename a column in the Query Editor of Power BI.., it implicitly triggers the column references in your reports to be updated. Name 2 will always be the second column.). Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. As you can notice, it needs to have a function. Change columns name dynamically - Power Platform Community "Signpost" puzzle from Tatham's collection. Dynamically rename column header - social.technet.microsoft.com That will cause problems in the refresh. Absolut same issue - would be good to have a solution in here. Generating points along line with specifying the origin of point generation in QGIS. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. It certainly looks a lot simpler than my solution! F1 F2 & F3. Use the Remove Rows button on the Home ribbon, and remove the top 5 rows. 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. Now, lets focus on the formula bar, specifically each keyword. 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. So if user is selection Money in column names should be (EUR) and if selected volumes it should be written (HL). Stating the original problem according to Ivan's solution, here goes. When used improperly it can lead to unexpected results. Not the answer you're looking for? rev2023.5.1.43404. The try/otherwise construct says Try this formula. We can transform rows from a table to a record type using the curly brackets syntax.On the other hand, we transform tables to lists by writing the name of the column in round brackets.If we were to combine round and curly brackets, we would drill into a single cell from that table (picture below). Otherwise I think you need to clarify your question for DAX/Report experts. Thanks Carl, I'll take a look at this. These changes should be dynamically applied to all the created chart objects. Thats how we programmed our custom visual. As pointed out by Imke, you can feed this issue . 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. SUGGESTIONS? If we want to make our rename columns function dynamic we need to alter the nested lists argument so that it accepts wrong and correct column names for each column. In this article, we'll show you some simple and advanced techniques for replacing column names in bulk. Hypothetically, if I had a slicer based on Seasons of the year, I would want my columns to reflect the names of the month in that season. If it works, give me the result. Now the date will fill the column. Benedikt Alat za raunovodstveni kontroling i analizu, {0} in DemoteHeaders step is used to create a record from a table holding only the first row from the demoted headers source table. Would there be a way to utilize a Switch or IF function for the name based on a slicer? Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". Pretplatom na newsletter prihvaate politiku privatnosti koja se nalazi u podnoju. Thanks for a great solution. Sometimes though the column you are renaming can have different names with each refresh, so this method won't work. this looks like a bug - you should send a frown" [, "Once the column name changes the report breaks because it's expecting the previous column name" [, Dynamically updating column names based on a mapping table, How to Get Your Question Answered Quickly. 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. As you say, the replacement column names would need to be listed in the correct order within List2. 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! 2) On the Add Column ribbon click Add Custom Column. Dynamic Column Names in Power Query - Goodly I have the exact same issue. STEP 1: Import the dataset. The syntax for the function is: Table.TransformColumnNames (table as table, nameGenerator as function, optional options as nullable record) The first parameter is the table name. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. 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. rev2023.5.1.43404. To rename a column heading using Power Query, first select the column you want to rename. By Ruth Pozuelo Martinez. Where can I find a clear diagram of the SPECK algorithm? 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. 1- Assign index to each rows using Index column under Power Query Editor. I need a way to dynamically change the header names of my matrix to display what those month names would be. We put the whole logic of nested lists inside of a ListObjectWithCleaningLogic step. Example of my measure DAX: Previous 2Month = calculate([Sales Amount], PARALLELPERIOD('Date' [Date],-2,MONTH)) I want an output like this: Message 1 of 4. F1 F2 and F3 fields. Dynamic header titles text will be defined based on a value (the language) selected by the user on a slicer. 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. Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. These fields are retrieved from the States table: Finally, we need to determine the fields that will serve as the title of the dynamic column values. Again, remove any automatically added Changed Type step if Power Query added one. Microsoft Power BI Learning Resources, 2023, Learn Power BI - Full Course with Dec-2022, with Window, Index, Offset, 100+ Topics, Formatted Profit and Loss Statement with empty lines, How to Get Your Question Answered Quickly. The solution is simple, instead of using a static text box, like in the first approach, well opt for a card. In my example we can switch in a slicer between Money and Volumes. I'll step it out in my original problem for completeness. The filtering is set to single select to avoid selecting multiple languages at once. That means that other transformations of the values in the NewColumnName column should be added after the TrimmedText applied step.We used list and record objects in creating the solution so hopefully, you got a clearer picture of how to use them and where. {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. :)Here you can download all the pbix files: https://curbal.com/donwload-centerSUBSCRIBE to learn more about Power and Excel BI!https://www.youtube.com/channel/UCJ7UhloHSA4wAqPzyi6TOkw?sub_confirmation=1Our PLAYLISTS:- Join our DAX Fridays! However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Change column name Dynamically on visuals in Power BI. 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. "When you rename a column in the Query Editor of Power BI.., it implicitly triggers the column references in your reports to be updated. This is why the errors dont matter. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. If you wish to follow along or use the final function in your solutions, you can download the Excel file here. Using M to dynamically change column names in PowerQuery Follow these steps in order to change column name dynamically. On top of that, title translations will end up being hardcoded into the visualizations, instead of using information provided, for example, from a database. 4. Replace the format string with the following DAX expression, and then press Enter: DAX. If you have a table with old and new names then you can use following pattern. where Table2 is "Rename Table" and Table1 is initial table with data. To use this we need to get the column names from the 2nd and 3rd row. Change column name Dynamically on visuals in Power BI 5) Delete any steps you have up to the Promote Headers. Find out more about the April 2023 update. This is the simplest part of the tip. 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. Generating points along line with specifying the origin of point generation in QGIS. In that case, you would need to adjust the inner environment variable. Why don't we use the 7805 for car phone chargers? In order to add multilanguage support to our report, we need to have a record for each title translation that can be displayed. were you able to get this working? There was no predictable logic on where it could introduce additional characters in the export. Check this video if you want to do that to. This is very easy to set up and awesome when it's finished. 1) We need that date in a new Date column so we can relate it to a Date table later. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Double-click the column header: The double-click action immediately lets you rename the column. Dynamically Change Column Displayed name - Power BI Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? On the other side, doing so makes Power Query code less readable and editable plus you need to do some typing (coding). Thank you. 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. Effect of a "bad grade" in grad school applications. To see how it works, remove your manual renaming step, and type in this formula, and you will get the list shown below. where Table2 is "Rename Table" and Table1 is initial table with data. Hi I have many tables with codes as headers (ITMREF, ITMDESC) etc, and I have a 2-column Excel file in which I have the definition of each code (ITMREF = Item ID, ITMDESC = Item description). To get a nested list of lists, we also need to transform that NestedLists column to a list. Lets see what we can do about it. Renaming Column Headers. Updated June 29, 2022. If we run that expression, this is how it looks like in PowerQuery: Each nested list is holding the original and new name of the column. Would love your thoughts, please comment. Connect and share knowledge within a single location that is structured and easy to search. 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. 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. This idea is described in details here I'll learnt a lot from stepping through your solution, thank you! Not sure whathow that would be generated automatically. Generally, we use the output of the previous step in here. 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. Now all the needs to be done is to apply this zipped list . Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Filter specific value on a concatenate field in DAX, Subtracting from the same column based on select filters Options, Get values from one table and put in other table based on other column DAX/Power Query M. Is there a formula to automatically drag data form many columns into a new column? Each dynamic column value must have a corresponding dynamic column header. Which was the first Sci-Fi story to predict obnoxious "robo calls"? R1-6 represent their spend classification in text in regards to the current Month - For example today's date is 4th of May, 2020 then R1 represent Classifications in April and R2 for March etc etc. Now fetch the names that are currently applicable to the columns. Check it out!Elite Power BI Consulting:https://bielite.com/Data Insights Tools:https://www.impktful.com/Link to PBIX:https://www.dropbox.com/s/fhcsodi6mms8d89/Dynamic%20Columns%20in%20a%20Table%20-%20Finished.pbix?dl=0To enroll in my introductory or advanced Power BI courses:https://training.bielite.com/Connect with me on Twitter!https://twitter.com/PowerBIElite 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The easiest way of drilling to a single column from a table and transforming it to a list is to write the name of the column inside of round brackets right after the expression that is returning a table. Thanks for contributing an answer to Stack Overflow! The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. Dynamic Power BI Slicer Using DAX Logic - mssqltips.com For the demonstration purposes, we will use an extract from the Contoso database.