public async Task <IActionResult> PutEtrainParts(long id, EtrainParts etrainParts)
        {
            if (id != etrainParts.EtrainPartsId)
            {
                return(BadRequest());
            }

            _context.Entry(etrainParts).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!EtrainPartsExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <EtrainParts> > PostEtrainParts(EtrainParts etrainParts)
        {
            _context.EtrainParts.Add(etrainParts);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (EtrainPartsExists(etrainParts.EtrainPartsId))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetEtrainParts", new { id = etrainParts.EtrainPartsId }, etrainParts));
        }