I have Two Dataverse tables
I already created two Forms for Step 1 and Step 2 as below in Dataverse.
Step 1 has below fields
Step 2 has Subgrid
Now, when I'm trying to add Multi Step Form in Power Pages.
When I added both Form as Mutistep Form, it is not showing me Create Button for SubGrid. - Am I missing anything?
(You probably have to do this from the Portal Management App). On the definition of the Step in question you need to add a Metadata record (if not its own Tab on the Step look under Related) of type=Subgrid . The metadata record will then let you specify create/edit options (similar to what you get with Lists).
https://learn.microsoft.com/en-us/power-apps/maker/portals/configure/configure-web-form-metadata
https://learn.microsoft.com/en-us/power-apps/maker/portals/configure/configure-web-form-subgrid
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