dynamically change the column name in power bi

Did the drapes in old theatres actually say "ASBESTOS" on them? Now fetch the names that are currently applicable to the columns. Its also used in row2filter context transition and other aspects of the data model that involve filter propagation throughout the model. 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. For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? To use this we need to get the column names from the 2nd and 3rd row. Any help would be most appreciated! F1 F2 & F3. As you say, the replacement column names would need to be listed in the correct order within List2. 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")). 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? If you wish to follow along or use the final function in your solutions, you can download the Excel file here. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Where can I find a clear diagram of the SPECK algorithm? The filtering is set to single select to avoid selecting multiple languages at once. To rename a column heading using Power Query, first select the column you want to rename. I can skip the Table.Transpose by using Table2 = Table.FromRows({List1,List2}). As the list of supported languages grows, more visualizations and bookmarks will need to be created, making it hard to scale in the long run. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Right-click the column of your choice: A contextual menu is displayed and you can select the Rename option to rename the selected column. 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. We use cookies to ensure that we give you the best experience on our website. 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. Notice the Index column has values 0, 1, 2 repeating. 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. 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. 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. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Effect of a "bad grade" in grad school applications. previous 2 = measure. I'll step it out in my original problem for completeness. Lineage is a part of DAX mechanics that enables us to use tables as filter arguments for the CALCULATE function. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. When a gnoll vampire assumes its hyena form, do its HP change? MyFuncRenameColumns) to provide a new column name given any original column name as an input. I am reallys stuck and have been hacking away at this for a while. Wouldnt be nice to add multilanguage support to our visualization? Find out about what's going on in Power BI by reading blogs written by community members and product staff. In my example we can switch in a slicer between Money and Volumes. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not the answer you're looking for? Variables are used in almost every measure you will create. Right click on column to Unpivot: Right click on the column you want the data to be pivoted & click on unpivot Other Columns. To begin with you need a small dataset: Next create a list of values using curly braces, these values will act as the new names of the columns. After we transformed that record to a table, we duplicated the values column which is holding the old column names. the Renamed columns1 step seems like it should work, but then it throws the error. As you can notice, it needs to have a function. 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. Say goodbye to manual column renaming and hello to more time for analyzing your data! Consider this very simple example: You receive this file every day, and the column name starting in Row 6, Column B, constantly changes. 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. We can use a function called Table.ColumnNames() for this. Embedded hyperlinks in a thesis or research paper. For the moment I am going to rename the columns manually by double clicking on the column headers and changing the names. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? By Ruth Pozuelo Martinez. Thats how we programmed our custom visual. 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If commutes with all generators, then Casimir operator? Double-click the column header: The double-click action immediately lets you rename the column. Not the answer you're looking for? with Power BI reports and Excel pivot tables! Lets break this down from the inside out: Text.BeforeDelimiter([Column2], ) - in the first row of data, this will return the 11/20/2020 text. All other structures of the file were correct. As always, set the data types for all columns at this point too now that we know what our column names will be. 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]. 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. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Thanks for contributing an answer to Stack Overflow! Thanks Carl, I'll take a look at this. Making statements based on opinion; back them up with references or personal experience. Lets analyze the Visualizations pane: This data role will contain only a single field and thats the ID. If you have a date in your date model, you always need a good date table. This will open the "Rename" dialog box. The column you are selecting can be your primary key or unique key. 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. Copy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Does a password policy with a restriction of repeated characters increase security? In order to add multilanguage support to our report, we need to have a record for each title translation that can be displayed. That will cause problems in the refresh. Dynamic header titles text will be defined based on a value (the language) selected by the user on a slicer. Does the 500-table limit still apply to the latest version of Cassandra? 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. let rename_list = Table.ToColumns (Table.Transpose (Table2)), result = Table.RenameColumns (Table1, rename_list, MissingField.Ignore) in result. For the demonstration purposes, we will use an extract from the Contoso database. The try/otherwise construct takes care of it. Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". 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. There are three ways to rename a column in Power Query. 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? In this code "Dimension" is the name of your previous step in the code. Better to show it, here is Power Query code snippet, query "columnNames . Many thanks for your help. 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. Power BI. To learn more, see our tips on writing great answers. Any help would be appreciated with solving this in either DAX or Power Query. rev2023.5.1.43404. 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 need a way to dynamically change the header names of my matrix to display what those month names would be. 4. Dynamic Column Names in Power Query - Goodly This would also affect the visual titles. These changes should be dynamically applied to all the created chart objects. Each dynamic column value must . Now you see where this is going? Efficiently rename columns with a function in Power BI and Power Query Looking at your first code in your reply, it looks like "Dimension" is the table in which the data is being pulled. Let's get started and learn how to rename columns like a pro in Power Query. 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. 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. We can use a List in Power Query to make this dynamic. were you able to get this working? 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. What if we could have just one single table with dynamic header titles that change depending on the selected language? where Table2 is "Rename Table" and Table1 is initial table with data. 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! Updated June 29, 2022. previous = measure. 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. Also,can you elaborate on the "#changed type"? These fields will be used in all the charts and Slicers. The try/otherwise construct says Try this formula. Once your account is created, you'll be logged-in to this account. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. Absolut same issue - would be good to have a solution in here. This will pick up all column names ending in " Value", including any that you might not want to rename, but it's just an example and you can tweak the predicate function as necessary. 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. 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. 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. Posted June 27, 2022. As pointed out by Imke, you can feed this issue . If you continue to use this site we will assume that you are happy with it. From here, you can type in the new column name, and click "Ok" when done. 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. 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 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. This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. Find centralized, trusted content and collaborate around the technologies you use most. 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. 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. Following is the solution we created that could be further enhanced to provide even more flexibility with dynamic column names renaming. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Power Query will then automatically update the column . Which was the first Sci-Fi story to predict obnoxious "robo calls"? Having said that, it is important to remember that small details can make a big difference. There might be easier solutions and i welcome every solution you can give me. Dynamically change measure header name based on cr - Power Platform 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. 4) On the Home ribbon, click Use First Row as Headers. Is there a generic term for these trajectories? 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. 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. I'll learnt a lot from stepping through your solution, thank you! If that is something else then you must use that step, e.g. 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. 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. 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. 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. With the Index column selected click Transform > Standard (dropdown) > Modulo. Is there any way to dynamically change column name from its values. 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). Thanks for a great solution. This idea is described in details here Replace the format string with the following DAX expression, and then press Enter: DAX. Date.FromText() will take the date in the first row and convert 11/20/2020 to a real date. Then adjust the generated code, like: = Table.RenameColumns (Dimension, { {"Dimension_Name", Dimension [Dimension_Name] {0}}}) In this code "Dimension" is the name of your previous step in the code. 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. 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. SUGGESTIONS? No surprises. Thanks, that video makes much more sense! you said "TransformColumnTypes", did you mean TransformColumnNames? 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. Stating the original problem according to Ivan's solution, here goes. I only used Text.Trim transformation over the NewColumn, but you can also use any other transformation to further clean column names, like Clean, Text.Proper, etc. Well add it back at the end when our column names are predictable. Then, click the small drop-down arrow located to the right of the column name. 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. This is the simplest part of the tip. Next, we need to zip the new names and the old names together using List.Zip. 1. 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). Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. Power BI - Dynamic Columns in a Table - YouTube 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). Power Query indexes at zero, so {0} would return the first item. Is there a way to dynamically identify and expand an embedded table's columns? Change column name Dynamically on visuals in Power BI. My knowledge is specifically with Power Query. Typically a slicer is used to select data from table rows, not from columns. But we will have another table where we will have dynamic field names. Current = measure. COMMENTS? This is . 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). It is preferable to use it only as a CALCULATE filter remover, not as a table function. What is Lineage? Change columns name dynamically - Power Platform Community 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. Receiving an adequate list argument for the Table.RenameColumns() function was the harder part of development. If you did double-click though, this would be the formula Power Query would generate: We need to replace the first part of the renaming list (the list is in the curly brackets). One approach using Power Query might be to implement some steps like: The code below basically tries to do the above. Watch this video in which "Source"is the name of the previous step in my query.

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