What‘s New?

  • File Downloads using HttpClient

    This post is just a little reminder to me and some of you might compassionately smile. But I have recently spent hours racking my brains why I only get “empty” files when I download a “simple” PDF using HttpClient in a Business Central AL extension (although file-size and general sizing of the pdf files were…

  • OAuth 2.0 / JWT in AL

    A lot of webservices use token-based authentication today. Among many other advantages, the authentication token has a certain lifetime, which results in the fact that the re-authentication must happen only very irregularly. This minimizes the authentication requests as the token could be reused. A standard protocol for this type of authentication flow is OAuth /…

  • Useful GIT commands and alias/shortcuts

    This is something you might also be familiar with. We at Comsol Unternehmenslösungen AG are passionately discovering the new possibilities AND responsibilities Microsoft offers us in D365 Business Central with AL, GIT and VS Code. Especially GIT is a challenge as it is a technical hurdle for some of the colleagues. Little by little we…

  • Use your (unused) computing power to fight Covid-19

    Yes, this is not a BC related post! But I think it is worth sharing! At the moment almost every one of us is directly or indirectly affected by Covid-19 / Corona. Personally, thanks to my responsible employer, I can work from home. In some online magazines and twitter I have now repeatedly found a…

  • Webservice Debugging in AL using Docker

    A common requirement in API development is Webservice Debugging in AL. Probably you have to write an AL extension to consume an external webservice. For sure, you want to intercept the web requests and interprete the results or the errors. But Webservice Debugging in AL isn‘t that easy using Docker containers. Although there are developers…

  • Business Central REST API via JavaScript

    I’ve just had the task to connect a new customer to one of our Node.JS webservices, in this case a payment notification service. So, payment providers like Adyen, Ingenico and Crefopay are constantly pushing some kind of payload (xml, json) against our service endpoint, and the service works like a proxy. It looks up and…

  • Prototype: Logging without Commit in AL

    Update: There’s probably a better solution so solve this, especially in newer versions. Just use background sessions. Recently i had an idea to create a persistent error logging in Business Central 365 without having to commit the transaction. I think every (add-on-) developer has this problem from time to time. How to handle and especially…

  • How to get BC 365 Insider Previews on Docker

    Attention: This post is deprecated and updated here! It took me a while to install the Docker bcinsider preview images for D365 Business Central. Credentials for this private repository could be found at Microsoft Collaborate (read more). So, here’s my snippet to use with navcontainerhelper. Now you can easily create your Docker container using New-BCContainer.…

  • Method overloading in AL

    Yet another cool feature in AL is method overloading. Imagine having a method being able to accept different paramters. What’s very common in most other modern languages just arrived in BC right now. In good old C/AL times you would have created several different methods… probably with some kind of a proxy method to prevent…

  • Example Extension: Interfaces in AL

    One of the most impactful new features of the upcoming Business Central Spring Release 2020 will be interfaces. Interfaces are the strict building plan for implementing codeunits referencing on it. The interface itself only keeps the definition of the used methods, not the implementation itself. Contract Here’s our contract for the upcoming implementations of the…

  • TempBlob & Base64 with AL

    Some of you guys might have noticed that our beloved record “Temp Blob” will soon vanish. It has been marked as deprecated for quite some time now and will be replaced by the new “blob storage module”. So, we’ll find them in codeunits for TempBlob & Base64. What we get? First, there’s the new codeunit…

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