Change column name Dynamically on visuals in Power BI "Signpost" puzzle from Tatham's collection. Parker here. Change column names dynamically with parameters in Power BI STEP 1: Import the dataset. That isnt a problem and youll see why in a minute. Each dynamic column value must have a corresponding dynamic column header. Dynamic column name from its value - Power BI 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. Power BI: Custom table with dynamic header titles - Medium 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. In the last 2 steps, we renamed both columns and cleaned values in the. 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. Specializing in Power Query Formula Language (M), Power Query Formula Language (M), when I apply those chnages to dashboard the visuals were failed load. For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. 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. Any help would be most appreciated! By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. No surprises. Notice the Index column has values 0, 1, 2 repeating. 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? One approach using Power Query might be to implement some steps like: The code below basically tries to do the above. We also glimpsed at the each keyword so overall I hope this article was clear enough and educational. 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. To rename a column heading using Power Query, first select the column you want to rename. I have the exact same issue. Making statements based on opinion; back them up with references or personal experience. 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")). something like "revenue June 2018 ". The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. How about you take one of our courses? However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Does the 500-table limit still apply to the latest version of Cassandra? As far as I know, it is not possible to do it currently. Power BI - Dynamic Columns in a Table - Perficient Blogs Remember! I'll learnt a lot from stepping through your solution, thank you! 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. 2) On the Add Column ribbon click Add Custom Column. No overhead. 2- After that create duplicate dataset for columns un-pivot. To learn more, see our tips on writing great answers. What's up guys! Watch this video in which "Source"is the name of the previous step in my query. There are three ways to rename a column in Power Query. Which language's style guidelines should be used when writing code that is supposed to be called from another language? As pointed out by Imke, you can feed this issue . Right click on column to Unpivot: Right click on the column you want the data to be pivoted & click on unpivot Other Columns. Find out about what's going on in Power BI by reading blogs written by community members and product staff. Power BI - Dynamic Columns in a Table - YouTube Does the 500-table limit still apply to the latest version of Cassandra? 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. Posted June 27, 2022. Lets analyze the following scenario. 3- Create relationship between both datasets on the basis of Index. 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. F1 F2 & F3. Next, we need to zip the new names and the old names together using List.Zip. 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. If total energies differ across different software, how do I decide which software to use? 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. If you dont know what a custom visual is, you can check this introductory article where we talk about it. 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. Rename columns - Power Query | Microsoft Learn {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. Thank you. Connect and share knowledge within a single location that is structured and easy to search. If you have a date in your date model, you always need a good date table. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. ={[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. As there are 3 columns, enter 3 into the Modulo window and click OK. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. 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. Sometimes though the column you are renaming can have different names with each refresh, so this method wont work. Let's get started and learn how to rename columns like a pro in Power Query. Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". 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. Variables are used in almost every measure you will create. 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. 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. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? 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. The first 5 steps give my my column value (the publication year +1). 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. Parker here. In this code "Dimension" is the name of your previous step in the code. (adsbygoogle = window.adsbygoogle || []).push({}); 1- Assign index to each rows using Index column under Power Query Editor. The filtering is set to single select to avoid selecting multiple languages at once. 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. Dynamic column values: defines the table columns which their header title must be dynamic. Now, lets focus on the formula bar, specifically each keyword. Double-click the column header: The double-click action immediately lets you rename the column. 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. Date to Invoice Date; Customer to Client; You'll see that a new step "Renamed Columns" got inserted with the following code. Improve your PowerQuery skills with Exceed Academy. 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! Why refined oil is cheaper than cold press oil? Key features our custom visual will have: Data roles define the type of data that our visualization will receive as input. The preview window now looks like this. Many thanks for your help. This is the simplest part of the tip. 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. Lets analyze the Visualizations pane: This data role will contain only a single field and thats the ID. How do I stop the Flickering on Mode 13h? Consider this very simple example: You receive this file every day, and the column name starting in Row 6, Column B, constantly changes. It should be this again: 6) Replace the 11/20/2020 Production Quantity" with Table.ColumnNames(#"Promoted Headers"){1} and replace 11/20/2020 with Table.ColumnNames(#"Promoted Headers"){2}. After we transformed that record to a table, we duplicated the values column which is holding the old column names. 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. The try/otherwise construct says Try this formula. 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. In this article, we'll show you some simple and advanced techniques for replacing column names in bulk. With the Index column selected click Transform > Standard (dropdown) > Modulo. Series: https://goo.gl/FtUWUX- Power BI dashboards for beginners: https://goo.gl/9YzyDP- Power BI Tips \u0026 Tricks: https://goo.gl/H6kUbP- Power Bi and Google Analytics: https://goo.gl/ZNsY8lPOWER BI COURSES:Want to learn Power BI? With Power BI Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. Dynamically change column names in Power Query using - antmanbi (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. The standard function to rename columns in the query editor of Power BI or Power Query is Table.RenameColumns. Absolut same issue - would be good to have a solution in here. Power BI. Each dynamic column value must . 3) Right-click on the Date column and select the Fill menu, then Down. 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. As always, set the data types for all columns at this point too now that we know what our column names will be. The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. What is Wario dropping at the end of Super Mario Land 2 and why? If commutes with all generators, then Casimir operator? 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 hide/show effect can be achieved using bookmarks: Nevertheless, this method has a big downside. 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. 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. I'll step it out in my original problem for completeness. SOUTHWORKS Development on Demand is the new model for nearshore software development. Rename the table: Rename the duplicated table to avoid the confusion. I like it - it will always pair up the correct oldname/newname pairs. 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. Its also used in row2filter context transition and other aspects of the data model that involve filter propagation throughout the model. It is preferable to use it only as a CALCULATE filter remover, not as a table function. What is Lineage? you said "TransformColumnTypes", did you mean TransformColumnNames? Is there a way to get around this? Table indexing starts from 0, so running this expression will yield the following record. 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. We also get your email address to automatically create an account for you in our website. 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. 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. 1) We need that date in a new Date column so we can relate it to a Date table later. Asking for help, clarification, or responding to other answers. Thanks Ivan, I've restated the original example using your solution. Here you can find the available courses:https://curbal.com/courses-overviewABOUT CURBAL:Website: http://www.curbal.comContact us: http://www.curbal.com/contact************************QUESTIONS? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To use this we need to get the column names from the 2nd and 3rd row. The first thing we do after importing the Excel file into Power Query is to remove the first 5 rows. 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. Does anyone know a good workaround to preserve column references in the visuals after applying such a bulk rename step? 1. This is . where Table2 is "Rename Table" and Table1 is initial table with data. Now we have something that looks like this: Ok, lets get to work. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Generally, we use the output of the previous step in here. The goal is to always keep the Internationalization table filtered by a single row/translation. 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! 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. Once again, manually rename the headers. Is there a generic term for these trajectories? This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. 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). 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). This would also affect the visual titles. On top of that, title translations will end up being hardcoded into the visualizations, instead of using information provided, for example, from a database. 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. In that case, you would need to adjust the inner environment variable. To get a nested list of lists, we also need to transform that NestedLists column to a list. 2- After that create duplicate dataset for columns un-pivot. The article was inspired by a request from a client who had issues exporting data from its data warehousing program to .csv files. Let's load both these tables to Power Query! If you continue to use this site we will assume that you are happy with it. What if we could have just one single table with dynamic header titles that change depending on the selected language? Fortunately, theres a better option to the one described above. The column you are selecting can be your primary key or unique key. this looks like a bug - you should send a frown" [2015], "Once the column name changes the report breaks because it's expecting the previous column name" [2017]. 2.) Find centralized, trusted content and collaborate around the technologies you use most. With Power Bi Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. Rename columns in Power Query when names change This is why the errors dont matter. Find out more about the April 2023 update. 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.