public IActionResult UpdateShipContactList([FromBody] List <ShipContact> shipContactList)
 {
     if (!ModelState.IsValid)
     {
         return(BadRequest(ModelState));
     }
     try
     {
         foreach (ShipContact contactEntity in shipContactList)
         {
             Console.WriteLine("\n\n" + contactEntity.ContactValue);
             if (_context.ShipContact.Any(sc => sc.ShipContactId == contactEntity.ShipContactId))
             {
                 _context.Update(contactEntity);
             }
             else
             {
                 _context.Add(contactEntity);
             }
         }
         _context.SaveChanges();
         return(Json(shipContactList));
     }
     catch (Exception e)
     {
         return(BadRequest(e));
     }
 }