dynamically change the column name in power bi

In the last 2 steps, we renamed both columns and cleaned values in the. 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. Effect of a "bad grade" in grad school applications. with Power BI reports and Excel pivot tables! This visual allows us to generate the title based on a measure: And thats it, the custom visual is ready to be tested. 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. Does the 500-table limit still apply to the latest version of Cassandra? 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. 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 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. For the moment I am going to rename the columns manually by double clicking on the column headers and changing the names. If you have a table with old and new names then you can use following pattern. Replace the format string with the following DAX expression, and then press Enter: DAX. Connect and share knowledge within a single location that is structured and easy to search. The best way to maintain this data is to create a new table, which will be responsible of storing these translations. How do I stop the Flickering on Mode 13h? 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. rev2023.5.1.43404. One approach using Power Query might be to implement some steps like: The code below basically tries to do the above. Were you able to get the correct answer? From the ribbon, click Add Column > Index Column (dropdown) > From 0. I'll learnt a lot from stepping through your solution, thank you! 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. 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? 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. What is Wario dropping at the end of Super Mario Land 2 and why? 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). Any help would be most appreciated! But we will have another table where we will have dynamic field names. 2- After that create duplicate dataset for columns un-pivot. Which was the first Sci-Fi story to predict obnoxious "robo calls"? What's up guys! Next, we need to zip the new names and the old names together using List.Zip. 2.) Thanks Carl, I'll take a look at this. 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. EXCEED Solutions d.o.o.Drenika 21, 10000 Zagreb, HrvatskaOIB: 25417969805MBS: 081124327IBAN: HR6523600001102641074info@exceed.hr+385 98 9461 471Ured: Modruka 2, 10000 Zagreb. Why refined oil is cheaper than cold press oil? STEP 1: Import the dataset. 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. On top of that, title translations will end up being hardcoded into the visualizations, instead of using information provided, for example, from a database. Once again, manually rename the headers. let rename_list = Table.ToColumns (Table.Transpose (Table2)), result = Table.RenameColumns (Table1, rename_list, MissingField.Ignore) in result. It is preferable to use it only as a CALCULATE filter remover, not as a table function. What is Lineage? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The reason we introduce them last is that they use all other parts of DAX code to produce faster, more powerful and maintainable code. What if we could have just one single table with dynamic header titles that change depending on the selected language? This is the simplest part of the tip. Next, select the FactInternetSales table which will be imported to Power BI and click "Transform Data" as seen in the diagram below. This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. Lineage is a part of DAX mechanics that enables us to use tables as filter arguments for the CALCULATE function. To see how it works, remove your manual renaming step, and type in this formula, and you will get the list shown below. 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 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. Typically a slicer is used to select data from table rows, not from columns. This is why the errors dont matter. With the Index column selected click Transform > Standard (dropdown) > Modulo. Date to Invoice Date; Customer to Client; You'll see that a new step "Renamed Columns" got inserted with the following code. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. Why don't we use the 7805 for car phone chargers? Now fetch the names that are currently applicable to the columns. 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. Now all the needs to be done is to apply this zipped list . Getting the most out of Power BI, Power Query, and Power Pivot, Microsoft MVP - Data Platform (Power BI): 2020 - CurrentMobile Devices: 2000-2011, Renaming A Column In Power Query Based On Position, see this blog post on how to dynamically find that first row, Microsoft MVP - Data Platform (Power BI): 2020 - Current, Why You Should Avoid Calculated Columns in Power BI, Working With Multiple Windows in Tabular Editor 3, Working With Sparklines In Power BI - All About The Filter Context, Add an Animated GIF to Your Power BI Reports, Be Careful When Filtering for Blanks in DAX, Quickly Format All DAX Code in Tabular Editor, Working With Multiple Row Headers From Excel in Power Query, Change The Day Your Week Starts In Power Query, Replace Power BI Alerts with Power Automate Alerts for SQL Server Data, Use List.PositionOf() To Find The First Row of Data In An Excel File, Group By In Power Query When Data In Column Changes, Add a Refresh Time Stamp To Your Power BI Reports, Return Row Based on Max Value From One Column when Grouping, Using List.Contains To Filter Dimension Tables, Use Power BI's Enter Data Feature In Excel, Avoid Using Excel XLS Files As A Data Source, Quick Tip: Use Recent Sources to Add New Tables, Making Sense Of Subtotals Settings In The Power BI Matrix Visual, Create A Dynamic Date Table In Power Query, Quickly Pad Columns in Power Query with Text, Intellisense in Power BI's Power Query Formula Bar. There might be easier solutions and i welcome every solution you can give me. "Signpost" puzzle from Tatham's collection. 2.) Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? I am reallys stuck and have been hacking away at this for a while. Every time program had exported the data, column names exported with a random number of spaces. If you have a table with old and new names then you can use following pattern. Not the answer you're looking for? 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). In my example we can switch in a slicer between Money and Volumes. 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 we need do is create a connection to SQL Server and import the FactInternetSales table to Power BI as seen below. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The dropdown listbox to the left of the formula bar should now say Format, and the formula in the formula bar should have a format string. 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. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? (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. 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. 4. Improve your PowerQuery skills with Exceed Academy. 3- Create relationship between both datasets on the basis of Index. 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. MyFuncRenameColumns) to provide a new column name given any original column name as an input. "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. 1. 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. This would also affect the visual titles. When used improperly it can lead to unexpected results. Name 2 will always be the second column.). 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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 Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. 2) On the Add Column ribbon click Add Custom Column. Watch this video in which "Source"is the name of the previous step in my query. Absolut same issue - would be good to have a solution in here. Asking for help, clarification, or responding to other answers. 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. 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. After we transformed that record to a table, we duplicated the values column which is holding the old column names. What's the function to find a city nearest to a given latitude? 1- Assign index to each rows using Index column under Power Query Editor. 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 so please share? Change column names dynamically with parameters in Power BI. Does a password policy with a restriction of repeated characters increase security? you said "TransformColumnTypes", did you mean TransformColumnNames? We also glimpsed at the each keyword so overall I hope this article was clear enough and educational. 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). Follow these steps in order to change column name dynamically. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. That will cause problems in the refresh. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. If you wish to follow along or use the final function in your solutions, you can download the Excel file here. 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 will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. When I rename columns it breaks the tables I have made. Not the answer you're looking for? 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")). 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? 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. 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. Parker here. 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. To get items from a list, you can refer to the index of an item in the list using curly brackets again, so change your formula to this, and youll get the column name shown below. In that case, you would need to adjust the inner environment variable. Also,can you elaborate on the "#changed type"? Unfortunately, it doesn't seem so. 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. If you dont know what a custom visual is, you can check this introductory article where we talk about it. Why typically people don't use biases in attention mechanism? Find centralized, trusted content and collaborate around the technologies you use most. Dynamic header titles text will be defined based on a value (the language) selected by the user on a slicer. Would there be a way to utilize a Switch or IF function for the name based on a slicer? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Thanks for contributing an answer to Stack Overflow! The underscore is a record type argument holding all the column values of the current row of an iteration. 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. What risks are you taking when "signing in with Google"? If it works, give me the result. "When you rename a column in the Query Editor of Power BI.., it implicitly triggers the column references in your reports to be updated. The hide/show effect can be achieved using bookmarks: Nevertheless, this method has a big downside. Find out more about the April 2023 update. As you can notice, it needs to have a function. Is there a generic term for these trajectories? Find centralized, trusted content and collaborate around the technologies you use most. 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. There are three ways to rename a column in Power Query. These changes should be dynamically applied to all the created chart objects. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". We put the whole logic of nested lists inside of a ListObjectWithCleaningLogic step. In order to add multilanguage support to our report, we need to have a record for each title translation that can be displayed. The following M code will give us the old and new, cleaned column names. Wouldnt be nice to add multilanguage support to our visualization? Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. This will pick up all column names ending in . To use this we need to get the column names from the 2nd and 3rd row. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). Thanks for a great solution. Short story about swapping bodies as a job; the person who hires the main character misuses his body. No do-overs. The try/otherwise construct takes care of it. 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. Now we have something that looks like this: Ok, lets get to work. 2- After that create duplicate dataset for columns un-pivot. Where can I find a clear diagram of the SPECK algorithm? If you have a date in your date model, you always need a good date table. So if user is selection Money in column names should be (EUR) and if selected volumes it should be written (HL). 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? Check this video if you want to do that to. Each dynamic column value must . 1.) No hidden fees. This idea is described in details here Making statements based on opinion; back them up with references or personal experience. Looking at your first code in your reply, it looks like "Dimension" is the table in which the data is being pulled. The try/otherwise construct says Try this formula. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Pretplatom na newsletter prihvaate politiku privatnosti koja se nalazi u podnoju. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Then, click the small drop-down arrow located to the right of the column name. Find out more about the April 2023 update. These fields will be used in all the charts and Slicers. 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. ID F1 F2 F3 ------Columns same as Data table(Table1) name, 1 X Y Z ------- Dynamic field names as values for the above line for Dept 1, 2 A B C------- Dynamic field names as values for the above line for Dept 2, So, whenever Departement 1 will use my application that time the field names will be X Y Z which will replace the Data Table(Table1) field names i.e. 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). As there are 3 columns, enter 3 into the Modulo window and click OK.

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