Passing JSON from JavaScript to C/AL

Yesterday, I said I was closing this year of blogging, but I wasn’t really. Closing a year with 39 posts, and leaving a question lingering, wouldn’t be too fair, would it? If you read my last postabout how to pass objects from C/AL to JavaScript, you must have wondered if it’s possible to also pass objects from JavaScript back to C/AL.

Wonder no more. It is. And here’s how.

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Passing strongly typed data to a JavaScript control add-in

Many cool things often go undocumented. I’ve just stumbled upon one of those, and it comes in handy to close this year of blogging.

Imagine this situation: you have a server-side .NET object, that you want to pass on to the client. With the .NET System.Windows.Forms-based objects, you have to make the object serializable, deploy the object to the client-side Add-in folder, and then set the RunOnClient property on the C/AL variable to Yes.

However, if the client is not .NET-based, if it is a cross-client JavaScript-based one. You may think that it’s not possible to pass the custom object on to JavaScript code. And you may be wrong.

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Goodies from the Control Add-ins session at NAV TechDays 2014

First of all, thank you all who attended my session today. It was a lot of people in the room, and with the competition from Microsoft talking about a very hot topic in the other, bigger room, I really wouldn’t expect to see all of you there. I hope you found the things you saw useful, and that you’ll take advantage of all the free stuff that I am posting today here on Vjeko.com.

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The “Life Hack” from today’s Session

And yes, I almost forgot… Somebody (sorry, I didn’t catch the name) asked me to put my life hack on the blog as well, so here it is. For all of you who were not there, I use this as a template for declaring .NET variables – until Microsoft provides means to declare them in a simpler ways. Inline, anyone?

So – download the life hack, or cheat sheet, here: http://vjeko.com/wp-content/uploads/2014/11/Life_Hack_No_1.docx

DEmos from the .NET Interop for Mere Mortals

Thanks to everybody who attended my session today at NAV TechDays 2014 in Antwerp. As promised, here are the goodies from the session. I’ve simply taken the objects and I deliver them here with no explanations or comments – when Luc publishes the sessions and the slide decks on Mibuso, you’ll be able to figure out what’s what. I hope you don’t mind.

I’ve also included my demo from the PRS session today, about the Service Locator pattern. The ZIP file does not include the Visual Studio solution – you can find it in my previous post, that I’ve put here yesterday.

I hope you find these examples useful and that they help you get started with .NET Interop quickly.

Download the files here: http://vjeko.com/wp-content/uploads/2014/11/NAVTechDays2014.MereMortals.zip.