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Drag and Drop File Upload for Microsoft Dynamics NAV 2013 R2

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Yesterday evening I spoke at Dutch Dynamics Community event, on invitation by my dear friend Luc van Vugt, and the topic was control add-ins for NAV 2013 R2. Of course, this automatically meant that the audience should see more JavaScript code than C# or C/AL, and that it should be something both fancy and useful.

So how about this: you drag and drop a file onto an NAV page, and the file is automatically uploaded and stored in a BLOB field in the NAV database? And yes, it does the same no matter if you call it from the Windows or the Web client. And yes of course, no external components or dependencies needed.

As I promised, I would make all the source components available for download after the sessions, and if you just want to take the components, here they are, ready to download, install and abuse:https://vjeko.com/wp-content/uploads/2014/03/DragDrop.zip

If you want to know how this thing works and why, read on. Otherwise, just download the thingy, install it (the instructions are included with the file) and abuse it to your fancy.

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How Do I… Videos on MSDN

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imageMSDN has started running a series of the How do I… videos for Microsoft Dynamics NAV 2013 (feed here). The idea is to showcase a technical feature in 5-15 minutes. The project is still ongoing, but a number of videos have just been released and announced on the Microsoft Dynamics NAV Team Blog.

The project is a joint effort by Plataan and Microsoft, and I participated as a technical expert in charge of seven videos. I’ve already recorded five of them, out of which three are online.

You can find the links below, and please come back to this page as I’ll update it as more videos are published.

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The Beauty and The Beast: NAV and .NET

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imageIf there wasn’t one already, someone should have invented Belgium. There are two things in this world that I love, and probably shouldn’t (and an oversized red speaker’s shirt I got from Luc today did a darned god job at concealing the unlucky consequences of overly indulging in both of them): beer and chocolate. Boy, do Belgians know their beer and chocolate!

But they know their NAV, too, and after NAV TechDays 2011, which have just ended in Antwerp, and two days of top NAV content, I can only say – great job, Luc and the team, and please make it a tradition.

If you attended my presentation about .NET interoperability, then there are a couple of demos I couldn’t deliver due to time constraints, and I promised to blog it. So, here we go.

It’s about streams. You already know that in NAV there are two data types, InStream and OutStream, that allow you to stream data in and out of generic sources or destinations. They are a fantastic tool, because they require you to know nothing about the type of source or destination, and you can store and retrieve data without having to care if the data comes from Internet, or a BLOB field, or is it written to a file, or transported over an XMLport. Stream makes it abstract and allows you to simply handle the data, and make the object itself care about the specifics.

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