public async Task <ActionResult <MManufacturer> > PostMManufacturer(MManufacturer mManufacturer)
        {
            _context.MManufacturer.Add(mManufacturer);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetMManufacturer", new { id = mManufacturer.MfrId }, mManufacturer));
        }
        public async Task <IActionResult> PutMManufacturer(int id, MManufacturer mManufacturer)
        {
            if (id != mManufacturer.MfrId)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }