Blog - Recent Posts

Jan 18, 2021

Controls - How to Transition/Show/Hide controls with a Sliding Effect

There's no built-in way to hide/show controls with a transition effect. The best workaround I suggest is to use a technique by Mr Dang. In this post, I highlight this technique and explain - what is an easing equation?

Controls
Jan 17, 2021

Formulas - How to calculate the distance between 2 points

We can calculate the distance between two longitude and latitude co-ordinates using a trigonometric calculation. It's a complex formula so in this post, we'll find out how exactly this works, including a verification of the result. We'll see how to perform this distance calculation in both kilometers and miles.

Formulas Location
Jan 16, 2021

SharePoint - How to Patch the 6 most complex data types

With SharePoint, the syntax to patch certain data types can look very complicated. In this post, we'll summarise the syntax to patch lookup, single choice, multi-choice, yes/no, single person/group, and multi person/group columns.

Formulas Patch
Jan 15, 2021

GPS - 3 Frequent Questions about Location Services

Help - my app isn't picking up correct location/GPS values! If the location features aren't working, it might be due to these reasons that I most commonly see.

General Gps
Jan 14, 2021

Settings - Old Layout vs New Layout (2021)

The settings area has now received a new look! Let's compare how the new look compares against the old, including a nostalgic look at what it contained, way back in 2017.

General Settings
Jan 13, 2021

SQL - How can we count rows accurately?

With SQL Server, the Count and CountRow functions produce delegation warnings. Without these functions, does it make it impossible to count records from large SQL Server tables? The answer is no! In this post, I'll describe a trick that enables us to carry out this task.

Sql Server Delegation
Jan 12, 2021

SQL - Have you seen these Power Platform options in SQL Azure portal?

From the SQL Azure Portal, there is now the option to create a Power App ontop of a SQL Table. Here's a closer look at this feature.

Sql Server
Jan 11, 2021

SharePoint - Beware of numeric calculated columns!

Help! - my numbers don't format correctly or they appear with loads of trailing numbers. If we encounter this problem, a likely cause is a bug that affects SharePoint calculated columns. This post examines this issue in more detail.

Sharepoint Data
Jan 10, 2021

SharePoint – 2 Mistakes to avoid when importing Excel data

At some point, many app builders want to use the SharePoint feature to import Excel data into a new list. There's a 'knack' to doing this and in this post, I'll describe the settings to make this process as smooth as possible.

Data Sharepoint
Jan 09, 2021

Settings - What does the Delayed Load setting do?

What does the delayed load setting do? In short, it improves the speed of our apps, particularly the start-up time. In this post, we'll examine traces to prove that this feature actually works, and find out why it's important to take heed of the 'inefficient delay loading' warnings that the 'app checker tool' identifies, to help us take full advantage of performance benefits that delayed load offers.

Jan 08, 2021

What to do when some part your app breaks, or starts behaving differently?

Why doesn't my app work today?? If your app worked fine yesterday and suddenly stops, or works differently today, it's possible that an update to Power Apps has broken your app. If this happens to you, here's what you can try to restore your app to a working state.

General
Jan 07, 2021

5 Tips for when you can't sign into Power Apps

It can be so frustrating when some obscure error prevents us from logging into Power Apps! If we find ourselves in this position, here are 5 things we can try to resolve the problem.

General
Jan 06, 2021

Forms - How to conditionally make form fields mandatory

How can we apply conditional validation to a form - for example, if the status is closed, a closed date must be entered? In this post, we'll look at a quick and simple way to add this type of conditional, mandatory field validation to a form.

Forms
Jan 05, 2021

SQL - Don't let this DateTime bug catch you out!

With SQL Server, there is a bug that prevents us from filtering datetime columns with equality operators. All SQL Server app builders should be aware of, and this post describes the behaviour of this bug in more detail, including workarounds to the problem.

Data Sql Server
Jan 04, 2021

Settings - What's the purpose of the "Explicit Column Selection" Setting?

The "Explicit Column Selection" setting improves the performance of our apps. But how exactly does it work, and what problems can it cause? This post describes the setting in more detail, including demonstrations of behaviour with traces.

Data Sql Server