As far as I know, it is not possible to do it currently. If your data has rows that move around a bit because someone inserts or deletes rows above it, see this blog post on how to dynamically find that first row and remove the appropriate number of rows. For the demonstration purposes, we will use an extract from the Contoso database. In that case, you would need to adjust the inner environment variable. Why don't we use the 7805 for car phone chargers? :)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! Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". Parker here. 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")). You can further enrich the function in case you need more control over the new column names. Stating the original problem according to Ivan's solution, here goes. Next, select the FactInternetSales table which will be imported to Power BI and click "Transform Data" as seen in the diagram below. F1 F2 & F3. Dynamically change column names in Power Query using - antmanbi That isnt a problem and youll see why in a minute. The hide/show effect can be achieved using bookmarks: Nevertheless, this method has a big downside. "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. Date to Invoice Date; Customer to Client; You'll see that a new step "Renamed Columns" got inserted with the following code. We can use a List in Power Query to make this dynamic. The filtering is set to single select to avoid selecting multiple languages at once. One approach using Power Query might be to implement some steps like: The code below basically tries to do the above. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". 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. There might be easier solutions and i welcome every solution you can give me. For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. The article was inspired by a request from a client who had issues exporting data from its data warehousing program to .csv files. 4) On the Home ribbon, click Use First Row as Headers. If total energies differ across different software, how do I decide which software to use? When I rename columns it breaks the tables I have made. previous 2 = measure. What are the advantages of running a power tool on 240 V vs 120 V? Check this video if you want to do that to. I'll step it out in my original problem for completeness. 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. So for each row in a table, the underscore will push the currently iterating row old and new column name inside of the list structure that was introduced with the {} bracket syntax. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. 3- Create relationship between both datasets on the basis of Index. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Thanks, that video makes much more sense! 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. SUGGESTIONS? No surprises. I am reallys stuck and have been hacking away at this for a while. Using M to dynamically change column names in PowerQuery By Ruth Pozuelo Martinez. (adsbygoogle = window.adsbygoogle || []).push({}); 1- Assign index to each rows using Index column under Power Query Editor. Next, we need to zip the new names and the old names together using List.Zip. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To see how it works, remove your manual renaming step, and type in this formula, and you will get the list shown below. Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. (adsbygoogle = window.adsbygoogle || []).push({}); Support only Import mode, it will not work with Direct Query Mode, reason behind when you transform the columns it will switch your dataset as in Import Mode. With the Index column selected click Transform > Standard (dropdown) > Modulo. 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. 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. Power Query indexes at zero, so {0} would return the first item. Asking for help, clarification, or responding to other answers. If you continue to use this site we will assume that you are happy with it. Lets analyze the following scenario. 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. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? As a rule of thumb, you should not use it in iterative functions. Hi, @MarcelBeug. Therefore, if that value changes, the header title will dynamically change as well. Date.FromText() will take the date in the first row and convert 11/20/2020 to a real date. Now that we have the correct argument form, we need to create a function that would accept a table variable with messy column names and clean it with the logic we already set in the list argument.Following is the complete M function code: We used this technique to dynamically change column names without transposing the table structure. Which language's style guidelines should be used when writing code that is supposed to be called from another language? As there are 3 columns, enter 3 into the Modulo window and click OK. 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. Thank you. We can use a List in Power Query to make this dynamic. The best way to maintain this data is to create a new table, which will be responsible of storing these translations. let rename_list = Table.ToColumns (Table.Transpose (Table2)), result = Table.RenameColumns (Table1, rename_list, MissingField.Ignore) in result. I can skip the Table.Transpose by using Table2 = Table.FromRows({List1,List2}). It is nice to know the Table.TransformColumnNames function exists, but if you just have a straight column name switch then both Ivan and Carl's answers are much simpler. 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. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Change column names dynamically with parameters in Power BI No do-overs. 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! 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. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Generally, we use the output of the previous step in here. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. NOTE: If you had any Changed Type step created by Power Query, delete it. 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. Double-click the column header: The double-click action immediately lets you rename the column. Asking for help, clarification, or responding to other answers. The Table.ToColumns(Table.Transpose) solves the "I need to merge List1 and List2 into a single list of pairs" nicely as the second argument for Table.RenameColumns. Is there a way to get around this? Embedded hyperlinks in a thesis or research paper. Dynamic column name from its value - Power BI Find out more about the April 2023 update. Sometimes though the column you are renaming can have different names with each refresh, so this method wont work. MyFuncRenameColumns) to provide a new column name given any original column name as an input. 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. Its current dataset consists of a single table with information about US states: However, this is not enough. Finally figured it out using the following function, Table.TransformColumnNames(table as table, nameGenerator as function, optional options as nullable record) as table. Now fetch the names that are currently applicable to the columns. Renaming Column Headers. Not sure whathow that would be generated automatically. 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. 2- After that create duplicate dataset for columns un-pivot. There was no predictable logic on where it could introduce additional characters in the export. (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({}); Hope you enjoyed the post. Otherwise, return null. It is like IFERROR() in Excel. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? 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. Lets analyze the Visualizations pane: This data role will contain only a single field and thats the ID. The try/otherwise construct says Try this formula. Which was the first Sci-Fi story to predict obnoxious "robo calls"? On top of that, title translations will end up being hardcoded into the visualizations, instead of using information provided, for example, from a database. 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. 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! We also glimpsed at the each keyword so overall I hope this article was clear enough and educational. We used records, lists, and an iteration to reach the solution, so this should be a pretty educational topic. 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. What risks are you taking when "signing in with Google"? Lets see what we can do about it. 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. I have the exact same issue. Let's load both these tables to Power Query! rev2023.5.1.43404. This will open the "Rename" dialog box. The column you are selecting can be your primary key or unique key. What's up guys! https://community.powerbi.com/t5/Power-Query/Dynamic-Column-Names/m-p/862358, https://www.youtube.com/watch?v=fSHcLxA9rY4, https://www.youtube.com/watch?v=yEemVBiaTuk. you said "TransformColumnTypes", did you mean TransformColumnNames? Some issues: 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")). 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). STEP 1: Import the dataset. The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. I'll learnt a lot from stepping through your solution, thank you! From here, you can type in the new column name, and click "Ok" when done. 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. Replace the format string with the following DAX expression, and then press Enter: DAX. Does a password policy with a restriction of repeated characters increase security? Typically a slicer is used to select data from table rows, not from columns. Create dynamic format strings for measures in Power BI Desktop - Power BI I feel like I am really close to getting this to work, but I keep getting the following error: Expression.Error: We expected a RenameOperations value. 1.) This is very easy to set up and awesome when it's finished. Once again, manually rename the headers. We have only a single table argument entering our function (TableWithDirtyNames). when i select a month from slicer , i want to see my meaure "revenue" with the month name from slicer. There are three ways to rename a column in Power Query. Each dynamic column value must have a corresponding dynamic column header. Rename option in the Transform tab: In the Transform tab . Better to show it, here is Power Query code snippet, query "columnNames . Consider this very simple example: You receive this file every day, and the column name starting in Row 6, Column B, constantly changes. Absolut same issue - would be good to have a solution in here. All other structures of the file were correct. Find out more about the April 2023 update. This visual allows us to generate the title based on a measure: And thats it, the custom visual is ready to be tested. Out of an unknown reason, program was adding random spaces and non-printable characters before or after column names. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. Find centralized, trusted content and collaborate around the technologies you use most. Can you clarify on "Dimension" being the previous step of the code? Change column name Dynamically on visuals in Power BI For example, the Dynamic column header with a data role index of 1 will be linked to the Dynamic column value that has a data role index of 1: Once we create the custom visual, its time to go back to the report. rev2023.5.1.43404. With Power BI Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. Would there be a way to utilize a Switch or IF function for the name based on a slicer? I need this that i can use same template in every customer case and i dont have to change Dimension names every time i change data source. All we need do is create a connection to SQL Server and import the FactInternetSales table to Power BI as seen below. Let me show you how to change column names based on parameters given by the end user. In all other rows, it returns errors. Does the 500-table limit still apply to the latest version of Cassandra? Name 2 will always be the second column.). What's the function to find a city nearest to a given latitude? 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. The visual will consist of a simple and plain table, allowing to have multiple columns and rows. Dynamically Change Column Displayed name - Power BI 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. This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. My knowledge is specifically with Power Query. Right click on column to Unpivot: Right click on the column you want the data to be pivoted & click on unpivot Other Columns. This is . Power BI - Dynamic Columns in a Table - Perficient Blogs These changes should be dynamically applied to all the created chart objects. Thanks for contributing an answer to Stack Overflow! where Table2 is "Rename Table" and Table1 is initial table with data. To learn more, see our tips on writing great answers. Connect and share knowledge within a single location that is structured and easy to search. Unfortunately, it doesn't seem so. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. 3- Create relationship between both datasets on the basis of Index. Dynamically rename column header - social.technet.microsoft.com Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). To rename a column heading using Power Query, first select the column you want to rename. Dynamic Column Names in Power Query - Goodly 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 e.g. I need a way to dynamically change the header names of my matrix to display what those month names would be. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. by PowerBIDocs. SOUTHWORKS Development on Demand is the new model for nearshore software development. 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. In the Measure tools ribbon, click the Format drop down, and then select Dynamic. For each trimmed column name, look up the value in the first row of that column (which should give you a list of 5 different strings, which will be the new column names). This will pick up all column names ending in . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Wrestling Excel files to the ground until a decent Power BI report can be made. Posted June 27, 2022. The standard function to rename columns in the query editor of Power BI or Power Query is Table.RenameColumns. the Renamed columns1 step seems like it should work, but then it throws the error. No overhead. Youll notice I used {1} to get the second item in the list. Information and consulting on Business Intelligence using Microsofts Power BI and Excel applications. Fortunately, theres a better option to the one described above. Did the drapes in old theatres actually say "ASBESTOS" on them? Here I have some additional requirements. A minor scale definition: am I missing something? It is each column name in the table from the Promoted Headers step. The second parameter, here, plays the main role. In case you have any questions, please feel free to post them below! Were you able to get the correct answer? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. with Power BI reports and Excel pivot tables! What's up guys! Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? I need to create a global application where we will have an actual data table.