cannot update identity column in Entity Framework Core

Question

I\'ve added a separate Identification to the AspNetUsers table called NumericId that will serve along with the GUID like ID that ASP has for default.

I\'ve added the

Answer 1

I found this other solution (I am using .NET Core 2.1):

using System;
using System.Collections.Generic;
using System.Diagnostics.Tracing;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Caching.Memory;
using YetAnotherERP.Data;
using YetAnotherERP.Entities;
using YetAnotherERP.Exceptions;
using YetAnotherERP.Utils;

namespace YetAnotherERP.Services
{
    public class EmployeeRepository : IEmployeeRepository
    {

    private DataContext _context;

    public EmployeeRepository(DataContext dataContext)
    {
        _context = dataContext;
    }


    ....


            public async Task UpdateEmployee(Employee employee)
        {
            _context.Update(employee).Property(x=>x.Id).IsModified = false;
            _context.SaveChanges();
        }