I tried to show all users with role “Trainer” and choose one of them. But post an id.
select returns null.

I tried to show all users with role “Trainer” and choose one of them. But post an id.
select returns null.

I am creating a razor application consisting of two simple user inputs and two navigation tabs with ‘save’ and ‘cancel’ button for the user inputs.
I have pasted below part of the _Layout.cshtml code giving the titled error. Am I missing something ?