Category Archives: Technology

Silent Abort

There is only one way to abort a user action in Microsoft Dynamics NAV: by using the ERROR function. This function essentially stops the execution of all code, and prevents completion of the user action, whatever such action might be.

One of typical situations where ERROR is used to prevent user action is during validation of a new value in a field. A typical concrete example of this behavior is entering the Customer No. value in the Sell-to Customer No. field on the sales order form. When users enters a value, the system goes through a series of checks, called validation, which in the end may result in the system rejecting this value. Obviously, the only way for the system to reject a value entered by the user is, yes you’ve got it, by calling the ERROR function, which returns the system to the last committed state before the error.

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Blank by default

I love unsolvable problems. I simply do. I had one a few days ago in the office, and I solved it.

So, the problem went like this. A discussion has been raised among developers about whether it would be possible to display a blank form over a populated table, where user would be able to immediately enter the data of a new record, without having to press F3 (or inserting a new record manually). The problem is, this doesn’t work that way in Dynamics NAV.

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Techno stuff

Tons of documents exist about Microsoft Dynamics NAV, but most of them start with marketing lingo, and don’t wander away too much from it altogether. While it is nice to know that it is a system which will give you freedom to focus on your business, it is also nice to know what is it made of, and how it works inside. Inspired by a total lack of resources which would give a clear picture of all the system components and their relationships, I wrote this post in hope someone might find it helpful.

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