Я хочу получить идентификатор класса, на мой взгляд, показатель.

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i need dropdown list of my class tablein  my index view when i use viewbag method but it still show error in my index view ClassID,how i can remove this issue plz some one help me.. 

Что я уже пробовал:

THIS IS MY iNDEX VIEW.

@using PagedList;
@using PagedList.Mvc;
@model PagedList.IPagedList<opr.Data.C_QuestionTable>
@model opr.Data.myclass
@{
    ViewBag.Title = "Index";
}



<h2>Index</h2>

<div class="alert-success form-control m-auto w-75 custom-form">
  
    <div class="col-6 pb-3 input-control">
        <label for="ex3"> Select Class:</label>
        @Html.DropDownListFor(model => model., (SelectList)ViewBag.dataForDropDowns, new { @class = "form-control select2ddl" })
    </div>
    <p>
        @Html.ActionLink("Create New", "Create")
    </p>
    

</div>


this my controller

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using opr.Data;
using PagedList;
using PagedList.Mvc;

namespace opr.Controllers
{
    public class OnlineQuizeController : Controller
    {
        examsEntities db = new examsEntities();
        public ActionResult Index(int?page)
        {
            var mod1 = db.myclasses.Select(s => new { s.ID, s.C_name }).ToList();
            SelectList sList = new SelectList(mod1, "ID", "C_name");
            ViewBag.dataForDropDown = sList;

            List<object> myobject = new List<object>();
            myobject.Add(db.myclasses.ToList());
            ViewBag.classIDs = myobject;
            var pageNumber = page ?? 1;
            var pageSize = 3;
            var question = db.C_QuestionTable.OrderBy(x => x.QuestionText).ToPagedList(pageNumber, pageSize);   
            return View(question);
           
        }

       }
}

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