Topic: Power BI
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Visual calculations can either improve or degrade the performance of a report. In this article, we outline how we ensure visual calculations have a positive impact on performance. Read more
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This article describes how to apply different formatting rules at each level of a hierarchy (one rule at the year level, another at the quarter level, another at the month level) using ISINSCOPE in a measure or ISATLEVEL in a… Read more
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This article describes the new Expression Context property of calculated columns in Power BI, explaining how user-aware calculated columns work, why they are not materialized, and how to use them as virtual calculated columns for localization and custom security scenarios. Read more
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A slicer cannot filter a measure. In this article, we analyze this common request by explaining how to use a slicer to filter a measure, after discussing the real meaning of using a measure with a slicer. Read more
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This video explains how to navigate the lattice of visual calculations in DAX. The visual context goes beyond the row context and filter context by adding the concept of levels within the lattice. The video shows how to use COLLAPSEALL… Watch now
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Visual calculations can be used efficiently to format visuals. This article presents an interesting technique to highlight a row based solely on the maximum value in the last column. Read more
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Visual calculations are a new feature in DAX that aims to simplify the use of DAX for users by introducing calculations at the visual level rather than at the model level. Read more
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This article describes how to use the TOJSON and TOCSV functions to inspect the content of intermediate table variables when debugging a DAX measure. Read more
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This article shows how to create a DAX measure that displays information from multiple columns in a business entity or transaction, into a single column of a matrix. Read more
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In mid-January 2026, many Power BI Desktop users began noticing a strange visual regression: several icons in the interface—including the Data, Model, and DAX icons—appeared as solid black shapes instead of their normal outlines. The issue appeared suddenly, even on… Read more
