TAPS.MVC.Controllers.CourseController.Create C# (CSharp) Method

        public object Create([Bind(Prefix = "")]Course course, string ProfessorList)
        {
            ViewData["Title"] = "Create Course";
            ViewData["Message"] = "Create a Course";
            //To DO
            //UpdateModel(course);  // to do

            // redisplay form immediately if there are input format errors
            if (!ModelState.IsValid)
            {
                ModelState.CopyValidationExceptions();
                PrepareProfessorList(course);
                return View("Create", course);
            }

            try
            {
                if (ProfessorList != null)
                    if (!ProfessorList.Equals("0"))
                    {
                        var profp = new ProfessorProvider();
                        Professor prof = profp.GetProfessorByID(Convert.ToInt32(ProfessorList));
                        course.AssignedProfessor = prof;
                    }
                new CourseProvider().AddCourse(course);
                ViewData["Message"] = "Course created";
                return View("Saved");
            }
            catch (RuleViolationException vex)
            {
                ViewData.ModelState.CopyValidationExceptions(vex);
                PrepareProfessorList(course);
                return View("Create", course);
            }
            catch (Exception err)
            {
                ViewData.ModelState.CopyValidationExceptions(err, "course");
                PrepareProfessorList(course);
                return View("Create");
            }
        }