public List <SelectListItem> GetCourseListItem()
{
var courseList = trainerManager.GetCourses();
List <SelectListItem> courseStItems = new List <SelectListItem>();
foreach (var courses in courseList)
{
var osli = new SelectListItem();
osli.Text = courses.CourseName;
osli.Value = courses.Id.ToString();
courseStItems.Add(osli);
}
return(courseStItems);
}