System.InvalidOperationException: 'There is no ViewData item of type '

Question

Hi Team

 

I am trying to fix this errror and was not successfull, can anyone mate help me on this error.

public ActionResult CourseList()
      {
          var list = new List<string>() { "Private(Copyrighted)", "Public Domain", "Creative Commons Licences", "CC Attribution", "CC Attribution Share ALike", "CC Attribution Non-Commercial",
          "CC Attribution Non-Commercial Share Alike", "CC Attribution Non Directive", "CC Attribution Non-Commercial No Directives" };

          List<SelectListItem> select_list = new List<SelectListItem>();

          var query = from li in list
                      select new SelectListItem()
                      {
                          Value = li.ToString(),
                          Text = li.ToString(),
                      };
          select_list = query.ToList();
          ViewBag.list = select_list;

          return View();
      }
                     @using (Html.BeginForm("CourseList", "Home", FormMethod.Post))
                                      {
                                      <div class="form-group row">
                                          <label for="Content-Licence" class="col-sm-3 col-form-label">Content Licence</label>
                                          <div class="col-sm-5">
                                              @Html.DropDownListFor(m => Model.Dashboard.CourseLicence, ViewBag.list as List<SelectListItem>)   // This throws an error here: no ViewData item of type.
                                          </div>
                                          </div>

                                      }
public class RegCoursesViewModel
  {
      public eNtsaCourses Courses { get; set; }
      public eNtsaDashboardViewModel Dashboard { get; set; }
      public List<eNtsaDashboardViewModel> lsteNtsaDashboard { get; set; }
      public RegCoursesViewModel MainModel { get; set; }

  }