Can we use Action Buttons in Form Views? The official answer is: No. Here is an example.
But I found a way how we can use Actions inside a Form View. It uses Slices and the SelfRef-Method.
You can find the sample app in my Portfolio “Action in Form”.
Note: This does not work with the new Desktop mode or the new mobile framework.
Here is a Gif to show how it works. The 2 inline views (table and deck) are the same. Just to show how it looks in table or deck view.
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With an Input Action set as Row Selected Event Action, you can even open the item and edit it:
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This is a simple sample that works on 2 Tables: Orders and Items. But under the SelfRef you could also add a Virtual Column to open the detail view to third table and use actions to change values in that third table. I use this method in a productive app.
Here are 2 other methods to add action-like behavior in a form view: