I got a requirement to develop a application on Portal. User can add up to details of 10 members and each person can add 10 activities. To achieve this requirement I tried to call the sub grid(Add activity) with in the another sub grid (Add Person). I created the CRM Forms, entity forms and maintained the metadata for each sub grid. On the portal i can't able to see the sub grid with in the sub grid. Please help out on this.
1st Sub grid on main page
2nd sub grid with in the above subgrid
On Portal
If i click the create button on above screenshot... I am not able to see another subgrid on that page
Version Dynamics 365 On prem
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