Error using dropdownlist in view ASP.NET core

namespace ResidentCertificate.Models
{
    public class Users_
    {
          public Int32 UserID { get; set; }
          public string userName { get; set; }
          public Int32 userAccessID { get; set; }
          public Int32 organizational_positionID { get; set; }
          public string loginTime { get; set; }
          public string logofTime { get; set; }
          public string computerName { get; set; }
          public string computerIP { get; set; }

    }

using ResidentCertificate.Interfaces;
using ResidentCertificate.Models;

namespace ResidentCertificate.DataAccess
{
    public class Users_DataAccessLayer : IUsers_
    {
        public string connectionString = globalsetting.connectionstring;

       public IEnumerable<users_> GetAllUsers_()
        {
            try
            {
                List<users_> lstusers_ = new List<users_>();

                using (SqlConnection con = new SqlConnection(connectionString))
                {
                    SqlCommand cmd = new SqlCommand("spGetAllUsers_", con);
                    cmd.CommandType = CommandType.StoredProcedure;

                    con.Open();
                    SqlDataReader rdr = cmd.ExecuteReader();

                    while (rdr.Read())
                    {
                        Users_ users_ = new Users_();

                        
                         users_.UserID = Convert.ToInt32(rdr["UserID"]);
                         users_.userName=rdr["userName"].ToString();
                         users_.userAccessID = Convert.ToInt32(rdr["userAccessID"]);
                         users_.organizational_positionID = Convert.ToInt32(rdr["organizational_positionID"]);
                         users_.loginTime=rdr["loginTime"].ToString();
                         users_.logofTime=rdr["logofTime"].ToString();
                         users_.computerName=rdr["computerName"].ToString();
                         users_.computerIP=rdr["computerIP"].ToString();


                        lstusers_.Add(users_);
                    }
                    con.Close();
                }
                return lstusers_;
            }
            catch
            {
                throw;
            }
        }

using ResidentCertificate.Models;
using ResidentCertificate.Interfaces;
using ResidentCertificate.DataAccess;

namespace ResidentCertificate.Controllers
{
    public class KartablController : Controller
    {
        // GET: KartablController
        DataAccess.Users_DataAccessLayer userslist = new Users_DataAccessLayer();
        public ActionResult Index()
        {
            IEnumerable<models.users_> Model = userslist.GetAllUsers_();
            
            return View();
        }

@model IEnumerable<residentcertificate.models.users_>
...