How to update record consisting of dependent tables using ASP.NET Core [closed]
Solution 1:
Since you are using [ValidateAntiForgeryToken] at your action try to add @Html.AntiForgeryToken()
<form asp-action="Edit" >
@Html.AntiForgeryToken()
<div asp-validation-summary="ModelOnly" class="text-danger"></div>
or remove [ValidateAntiForgeryToken]