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title: x++ Add custom DMF entity to form; Open in Excel
date: 2019-01-18T21:53:06.000Z
lastmod: 2019-01-18T21:53:06.000Z
description: >-
Use x++ form extension to add custom DMF data entity to a form's Open in
Excel menu.
tags: x++, DMF, Open in Excel, D365, Excel
author: Michael Stashwick
author_url: https://www.d365stuff.co/author/michael/
publisher: D365 Stuff
publisher_url: https://www.d365stuff.co/
18 January 2019 / x++
x++ Add custom DMF entity to form; Open in Excel
We all know that data entities that have the same root datasource (table) as a form will cause the data entity to automagically appear in the form's Open in Excel menu option. What if you need to force add this option via extension? It's a very reasonable request that you'll get asked to do, and is surprisingly hard to research. Until now.
The code has changed a bit throughout D365's evolution. If anything, it's gotten simpler since you no longer have to implement any ExportToExcel* classes.
Need more fields to appear in your Excel sheet? Add them to the AutoReport fieldgroup of the table!
Michael Stashwick
Read more posts by this author.

