public string RemoveMedicine(PacientDisease pd, Medicine m)
 {
     if (db.PacientDiseases.Where(x => (x.Pacient == pd.Pacient && x.Disease == pd.Disease)).Count() != 0 && db.Medicines.Where(x => x.Code == m.Code).Count() != 0)
     {
         db.PacientMedicines.Remove(db.PacientMedicines.Where(x => (x.PacientDisease.Code == pd.Code && x.Medicine.Code == m.Code)).First());
         return("");
     }
     else
     {
         return("Can't RemoveMedicine");
     }
 }
 public string SetMedicine(PacientDisease pd, Medicine m)
 {
     if (db.PacientDiseases.Where(x => x.Code == pd.Code).Count() != 0 && db.Medicines.Where(x => x.Code == m.Code).Count() != 0)
     {
         PacientMedicine pm = new PacientMedicine()
         {
             Code = db.PacientMedicines.Count() + 1, PacientDisease = db.PacientDiseases.Where(x => x.Code == pd.Code).First(), Medicine = db.Medicines.Where(x => x.Code == m.Code).First()
         };
         db.PacientMedicines.Add(pm);
         return("");
     }
     else
     {
         return("Can't SetMedicine");
     }
 }
 public string SetDisease(Pacient a, Disease d)
 {
     if (db.Pacients.Where(x => x.Code == a.Code).Count() != 0 && db.Diseases.Where(x => x.Code == d.Code).Count() != 0)
     {
         PacientDisease pd = new PacientDisease()
         {
             Code = db.PacientDiseases.Count() + 1, Pacient = db.Pacients.Where(x => x.Code == a.Code).First(), Disease = db.Diseases.Where(x => x.Code == d.Code).First()
         };
         db.PacientDiseases.Add(pd);
         return("");
     }
     else
     {
         return("Can't SetDisease");
     }
 }