public string insert()
 {
     try
     {
         HospitalManagementEntity context = new HospitalManagementEntity();
         Medicine_details m = new Medicine_details();
         m.Name = name;
         m.price = price;
         m.Quantity = quantity;
         m.Mfg_date = date1;
         m.Expiry_date = date2;
         context.Medicine_details.Add(m);
         context.SaveChanges();
         return m.Medicine_Id.ToString();
     }
     catch (Exception e)
     {
         return "All Values are required";
     }
 }
 public string update(string Patient_id, string name, string price, string e_date, string m_date, string quantity)
 {
   
     try { 
     HospitalManagementEntity context = new HospitalManagementEntity();
     Medicine_details u = context.Medicine_details.Find(Convert.ToInt32(Patient_id));
     u.Mfg_date = Convert.ToDateTime( m_date);
     u.Medicine_Id = Convert.ToInt32(Patient_id);
     u.Name = name;
     u.Expiry_date = Convert.ToDateTime(e_date);
     u.price = Convert.ToInt32(price);
     u.Quantity = Convert.ToInt32(quantity);
     context.Entry(u).State = System.Data.Entity.EntityState.Modified;
     context.SaveChanges();
         
         return "Updation Successfull";
     }
     catch (Exception e)
     {
        return "Can't Update Record Id's";
     }
     
 }