Extensions | An item with the same key has already been added | Mark Brummel Blog

If you work with Extensions in Dynamics NAV there is a fair chance that you’ve seen this message.

Today I got it again, waisted half an hour of my live and decided to blog about it.

What happened is that I have a Page Extension with the same variable name as already exists in my C/Side page.

I’m working with NAV2018 CU17 and the compiler did not complain about this and the…

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Extensions | An item with the same key has already been added | Mark Brummel Blog

Blog Syndicated with Mark Brummel’s Permission

Author: Mark Brummel

Jedi Master of the Navision Community. Freelance Developer. NAV, Business Central, C#, SQL Server, ..Net Core, Angular, TypeScript, ForNAV, JavaScript

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