Sometimes, just when you think you are getting the hang of the DAX language, something happens that completely baffles you. Such events can cause you to doubt your own learning and progress. But let me assure you – this happens to EVERYONE at sometime or another. In this article I am going to show you one such baffling situation, and then explain what is really happening.
Working with Weeks in Power BI
We often need to deal with data over a period of weeks, so we’re going to show you how to use Power BI to work with Weeks.
Let’s suppose we have a Sales dataset with Date, Category and Revenue columns and we want to see how the sales perform by Week.
How To Tell Whether Query Folding Is Taking Place When Importing Data From Analysis Services In Power BI And Excel Power Query
As a quick follow-on from last week’s post on how to detect whether query folding is taking place when importing from OData data sources, if you’re importing data from Analysis Services you have a similar problem: how do you know whether query folding is taking place? Ensuring that query folding takes place for as many of the steps in your query – especially those that filter or otherwise reduce the amount of data returned – is very important for data refresh performance.
AL and SOAP
This sample is based on a page extension for page 8 (Currencies) where an action for downloading exchange rates from the Swedish State Bank has been added. The logic itself isn’t super advanced and it requires SEK as local currency. The focus here is to show how to:
How to update the selected line in the Subform on click of an action button in the Mainform in NAV
Introduction:
◾The requirement was such that , the user will select a line in the subform.
◾The subform has fields like the Customer ID, Customer Name, and a field Recieved Crates.
◾On click of the action button in the Main form, a page opens which contains the details of the selected line in the subform like Customer ID and Customer Name also a field Crate recieved(Integer Datatype).
Troubleshooting Data Refresh Performance Issues With OData Data Sources In Power BI And Excel Using Fiddler
A lot of people have problems with the performance of OData data sources when loading data into Power BI and Excel. One possible cause of these problems is query folding not taking place – if this is the case then the Power Query engine will be requesting more data that is needed and applying any filters itself locally, rather than requesting filtered data from the data source. How do you know whether query folding is taking place or not though?
Show Me All Invoices Containing this Product
Here is the scenario. The user wants to select a product from a list. When that product is selected, they want to see a list of all invoices that contain that product AND ALSO see ALL OTHER PRODUCTS on those same invoices. The reason this is such an interesting problem is that normally when you select products from a list in Power Pivot, the selected products filter the data model hence you can only see sales for those selected products