Tag Archives: Call Stack

Detecting current object type and ID using some funky .NET Interop

Did you ever need to identify the current object type and ID, programmatically, from within the object? For example, detecting the current table ID in a table trigger like this guy? Or current codeunit ID from inside the codeunit?

Why would you need something like this? If you are inside a trigger in, say, table 18, you do know that you are in the table 18, and you can refer to it as 18 or DATABASE::Customer, right? Yes, but this is hardcoding. If you move this code to a different table you’d have to change the hardcoded constant to whatever that other table is.

Microsoft was well aware of the need to know the currently running object ID in some cases, because there is the OBJECTID function to the CurrPage and CurrReport built-in objects. However, for tables, codeunits, XMLports, and queries, there is nothing of the sort.

Now, using .NET Interop, you can easily (well, easy is relative) get this info.

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