How to imlement jobcard mvc

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C#

MVC

patterns

repository

Could anyone give some advice, for the best possible way to implement this solution. My program does do a basic insert, but trying to get Items added to the Job Card is my big problem.

Thanks

Controller:    
 
        IJobCardBusiness iUser;
        ApplicationDbContext _context = new ApplicationDbContext();
        private readonly JobCardBusiness UserLogic = new JobCardBusiness();

        public JobCardController(){
            iUser = new JobCardBusiness();
        }
        public JobCardController(IJobCardBusiness Cat)
        {
            iUser = Cat;
        }
        // GET: JobCard
        public ActionResult Index()
        {
            return View(iUser.GetAllJobCards().ToList());
        }
        [HttpGet]
        public ActionResult Create()
        {
            return View();
        }
        [HttpPost]
        public ActionResult Create(JobCardView jobmod)
        {  if (ModelState.IsValid) { iUser.InsertJobCards(jobmod);
               return RedirectToAction("Index");
            }
           return View();
        }

Business Logic:    

        public JobCardView DeleteJobCard(int id)
        {
            JobCardView jView = new JobCardView();

            using (var ssd = new JobCardRepository())
            {
                if (id != 0)
                {
                    JobCard model = ssd.GetById(id);
 
                }
                return jView;
            }
        }

        public void PostDeleteJobCard(int id)
        {
            using (var d = new JobCardRepository())
            {
                if (id != 0)
                {
                    JobCard j_Id = d.GetById(id);
                    d.Delete(j_Id);
                    d.SaveChanges();
                }
            }

        }


        public void SaveChanges()
        {
            using (var repository = new JobCardRepository())
            {
                repository.SaveChanges();
            }
        }

        public IEnumerable<JobCardView> GetAllJobCards()
        {
              var jobCards = new List<JobCardView>();

  
            using (var repository = new JobCardRepository())
            {
                jobCards = repository.GetAll().Select(model => new JobCardView
                { 
                    JobNum = model.JobNum, 
                    JobType = model.JobType, 
                    JobDescription = model.JobDescription, 
                    JobStat = (JobCardView.JobStats) model.JobStats, 
                    Address = model.Address, 
                    TechName = model.TechName, Date = model.Date, 
                    Qty = model.Qty, ItemName = model.ItemName, Price = model.Price

                }).ToList();
            }


            return jobCards;
     
   }

public void InsertJobCards(JobCardView jobView)


{

 
   using (var repository = new JobCardRepository())

            {

                repository.Insert(new JobCard

                {

                   JobDescription = jobView.JobDescription, 

                   JobStats =(JobCard.JobStat) jobView.JobStat,

                   JobType = jobView.JobType, Address = jobView.Address, 

                   ItemName =jobView.ItemName, 

                   Date = jobView.Date, Price = jobView.Price, 

                   Qty = jobView.Qty, TechName = jobView.TechName, 

                   JobNum = jobView.JobNum

                });
            }
        }

Repository:
 
       private readonly IRepository<JobCard> _clinicRepository;

        public JobCardRepository()
        {
            _datacontext = new ApplicationDbContext();
            _clinicRepository = new RepositoryService<JobCard>(_datacontext);

        }

        public JobCard GetById(int id)
        {
            return _clinicRepository.GetById(id);
        }

        public List<JobCard> GetAll()
        {
            return _clinicRepository.GetAll().ToList();
        }

        public void Insert(JobCard model)
        {
            _clinicRepository.Insert(model);
        }

        public void Update(JobCard model)
        {
            _clinicRepository.Update(model);
        }

        public void Delete(JobCard model)
        {
            _clinicRepository.Delete(model);
        }

        public IEnumerable<JobCard> Find(Func<JobCard, bool> predicate)
        {
            return _clinicRepository.Find(predicate).ToList();
        }

        public void SaveChanges()
        {
            _datacontext.SaveChanges();
        }

        public void Dispose()
        {
            _datacontext.Dispose();
            _datacontext = null;
        }

Model:   
  [Key]
        public int JobNum { get; set; }

        public string JobType { get; set; }

        public string JobDescription { get; set; }

        public float Price { get; set; }

        public string ItemName { get; set; }

        public int Qty{ get; set; }

        public DateTime Date { get; set; }

        public string Address { get; set; }

        public JobStat JobStats { get; set; }

        public enum JobStat
        {
            InProgress = 2,
            Unassigned = 1,
            Completed = 3
        }

       public string TechName { get; set; }

View Model:    
         [Key]
        public int JobNum { get; set; }

        [Display(Name="Job Type")]
        public string JobType { get; set; }

        [Display(Name = "Job Description")]
        public string JobDescription { get; set; }

        [Display(Name = "Price")]
        public float Price { get; set; }

        [Display(Name = "Items")]
        public string ItemName { get; set; }

        [Display(Name = "Quantity")]
        public int Qty { get; set; }

        [Display(Name = "Date")]
        public DateTime Date { get; set; }

        [Display(Name = "Client Address")]
        public string Address { get; set; }

        [Display(Name = "Job Status")]
        public JobStats JobStat { get; set; }

        public enum JobStats
        {
            InProgress = 2,
            Unassigned = 1,
            Completed = 3
        }
       [Display(Name = "Technician Assigned")]
       public string TechName { get; set; }