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. 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. if so please share? Parker here. The Source step of the inner environment (environment of the ListObjectWithCleaningLogic variable) should also point to the function input variable. So if user is selection Money in column names should be (EUR) and if selected volumes it should be written (HL). In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. As you say, the replacement column names would need to be listed in the correct order within List2. For instance, State column will have its header defined by State Title field, since both share the same order, which is 1. 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. 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. 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. What risks are you taking when "signing in with Google"? Once your account is created, you'll be logged-in to this account. Find centralized, trusted content and collaborate around the technologies you use most. Let's load both these tables to Power Query! (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. It is preferable to use it only as a CALCULATE filter remover, not as a table function. What is Lineage? Rename the table: Rename the duplicated table to avoid the confusion. In my example we can switch in a slicer between Money and Volumes. Which was the first Sci-Fi story to predict obnoxious "robo calls"? If you continue to use this site we will assume that you are happy with it. Receiving an adequate list argument for the Table.RenameColumns() function was the harder part of development. Copy. I would like to dynamically change my column headers using that Excel table without the need to go throu. Therefore, if that value changes, the header title will dynamically change as well. 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). Find out more about the April 2023 update. It is each column name in the table from the Promoted Headers step. Not the answer you're looking for? Find out more about the April 2023 update. 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. Double-click the column header: The double-click action immediately lets you rename the column. If you have a date in your date model, you always need a good date table. On the other side, doing so makes Power Query code less readable and editable plus you need to do some typing (coding). Infact, under column values it is showing error #This field can't be used since it is invalid. Its current dataset consists of a single table with information about US states: However, this is not enough. let rename_list = Table.ToColumns (Table.Transpose (Table2)), result = Table.RenameColumns (Table1, rename_list, MissingField.Ignore) in result. Rename option in the Transform tab: In the Transform tab . SOUTHWORKS Development on Demand is the new model for nearshore software development. {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. Following is the solution we created that could be further enhanced to provide even more flexibility with dynamic column names renaming. Now you see where this is going? 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. Any help would be appreciated with solving this in either DAX or Power Query. 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. When used improperly it can lead to unexpected results. Replace the format string with the following DAX expression, and then press Enter: DAX. 5) Delete any steps you have up to the Promote Headers. This will pick up all column names ending in . Again, remove any automatically added Changed Type step if Power Query added one. Improve your PowerQuery skills with Exceed Academy. Fortunately, theres a better option to the one described above. SUGGESTIONS? If you wish to follow along or use the final function in your solutions, you can download the Excel file here. 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 more intelligent way of doing it? 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. Unfortunately, it doesn't seem so. Each dynamic column value must . But I often come across scenarios where I would like the new column names to be created dynamically. 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}. Is there any way to dynamically change column name from its values. If you dont know what a custom visual is, you can check this introductory article where we talk about it. Thats how we programmed our custom visual. As far as I know, it is not possible to do it currently. The second parameter, here, plays the main role. We are going to extract that date and make it a column, as it should be, and then rename both columns regardless of what they are called. 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. 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. Details: List. I like it - it will always pair up the correct oldname/newname pairs. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The goal is to always keep the Internationalization table filtered by a single row/translation. For the moment I am going to rename the columns manually by double clicking on the column headers and changing the names. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Here I have some additional requirements. If it works, give me the result. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. I have the exact same issue. From basic find and replace to more complex formulas, we've got you covered. i am exactly looking for this solution. 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! However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? "When you rename a column in the Query Editor of Power BI.., it implicitly triggers the column references in your reports to be updated. How about you take one of our courses? Consider this very simple example: You . 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? 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. Looking at your first code in your reply, it looks like "Dimension" is the table in which the data is being pulled. rev2023.5.1.43404. If you have a table with old and new names then you can use following pattern. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. where Table2 is "Rename Table" and Table1 is initial table with data. Thanks for a great solution. On top of that, title translations will end up being hardcoded into the visualizations, instead of using information provided, for example, from a database. 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. Does a password policy with a restriction of repeated characters increase security? Every time program had exported the data, column names exported with a random number of spaces. To get a nested list of lists, we also need to transform that NestedLists column to a list. I need a way to dynamically change the header names of my matrix to display what those month names would be. No do-overs. Generally, we use the output of the previous step in here. I am reallys stuck and have been hacking away at this for a while. As pointed out by Imke, you can feed this issue . As always, set the data types for all columns at this point too now that we know what our column names will be. 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. Its based on three core promises: transparent pricing, short-term flexible contracts, and time zone affinity. Posted June 27, 2022. In the Measure tools ribbon, click the Format drop down, and then select Dynamic. Youll find me here: Linkedin https://goo.gl/3VW6Ky Twitter @curbalen, @ruthpozuelo Facebook https://goo.gl/bME2sB#CURBAL #SUBSCRIBE There was no predictable logic on where it could introduce additional characters in the export. No surprises. Unfortunately, while typing, it jumped from the second line to the first line, but it is the same "Source". Each dynamic column value must have a corresponding dynamic column header. The hide/show effect can be achieved using bookmarks: Nevertheless, this method has a big downside. To see how it works, remove your manual renaming step, and type in this formula, and you will get the list shown below. What's up guys! 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. 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. These fields will be used in all the charts and Slicers. 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. 1) We need that date in a new Date column so we can relate it to a Date table later. Hi, @MarcelBeug. you said "TransformColumnTypes", did you mean TransformColumnNames? 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. Dynamic column values: defines the table columns which their header title must be dynamic. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. I have a table in SQL that get's refreshed at the start of every month which has the following columns. There might be easier solutions and i welcome every solution you can give me. With Power Bi Import Mode, you can change column name dynamically on visuals, to achieve this you have to follow below steps. And Index column not support the Direct Query Mode. 3) Right-click on the Date column and select the Fill menu, then Down. Now, lets focus on the formula bar, specifically each keyword. In my data I want the data to be distributed by date so I have selected date Column. 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. When I rename columns it breaks the tables I have made. "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. The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. How do I stop the Flickering on Mode 13h? 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. were you able to get this working? One approach using Power Query might be to implement some steps like: The code below basically tries to do the above. Now we have something that looks like this: Ok, lets get to work. Short story about swapping bodies as a job; the person who hires the main character misuses his body. This idea is described in details here ={[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. 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. 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. The table columns can have either a static header title or a dynamic header title. Introduction In this example, we will explain a very important feature of CALCULATE filter arguments. Wrestling Excel files to the ground until a decent Power BI report can be made. Lets see what we can do about it. 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. 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. Typically a slicer is used to select data from table rows, not from columns. Which language's style guidelines should be used when writing code that is supposed to be called from another language? 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")). Name 2 will always be the second column.). My knowledge is specifically with Power Query. 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.