public async Task <ActionResult <CustomerTb> > PostCustomerTb(CustomerTb customerTb)
        {
            _context.CustomerTb.Add(customerTb);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetCustomerTb", new { id = customerTb.CustomerId }, customerTb));
        }
        public async Task <IActionResult> PutCustomerTb(int id, CustomerTb customerTb)
        {
            if (id != customerTb.CustomerId)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }