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8 articles
A PCF component is real code inside a low-code app, with a defined lifecycle and a real build pipeline. This covers the manifest, the lifecycle methods that trip people up, and the honest question of whether you should write one at all.
Rajiv Kumar·Jun 3, 2026·14 min read
Canvas and model-driven apps are not two ways to build the same thing. One starts from a screen, the other starts from a schema — and that difference determines what each one is cheap and expensive to change later.
Rajiv Kumar·Apr 22, 2026·7 min read
Error handling, caching, attachments, components, environment variables and elevated privileges — the Power Apps questions experienced candidates are actually asked, with answers that survive a follow-up.
Rajiv Kumar·Apr 15, 2024·6 min read
InfoPath forms keep working until they do not, and by then whoever built them has usually left. Here is how to read what a form actually depends on, and how the common auto-population pattern maps onto Power Apps.
Rajiv Kumar·Dec 21, 2022·5 min read
A form that will not save gives you almost nothing to work with — unless you surface Form.Error. Here are the seven usual causes in diagnostic order, from hidden required fields to person columns that need a record rather than a string.
Rajiv Kumar·Jan 13, 2022·5 min read
A reference for the fundamentals that most Power Apps material states without explaining: what problem the platform solves, when it is the wrong tool, how Power Fx differs from a scripting language, and why delegation is a correctness concern.
Rajiv Kumar·Jan 13, 2021·7 min read
Canvas apps scale a fixed rectangle by default, which is why they look shrunken on phones. Real responsiveness means switching scaling off and building layout that computes itself from containers and break points.
Rajiv Kumar·Jan 5, 2021·5 min read
Both Dataverse and SharePoint lists sit behind Power Apps, so 'which database' is the wrong question. The right one is what the data must guarantee: relationships, row-level security, and validation that holds no matter what writes to it.
Rajiv Kumar·Jan 2, 2019·5 min read
