public IActionResult OnPost(int?id) { if (id == null) { return(RedirectToPage("NotFound")); } if (Membership.Id == 0) { return(RedirectToPage("./Edit")); } if (Membership != null) { Membership = membershipData.DeleteMembership(Membership.Id); } membershipData.Commit(); return(RedirectToPage("./List")); }