public async Task <ActionResult <clContas> > Post(
            [FromServices] contasDbContext context,
            [FromBody] clContas contaItem)
        {
            if (ModelState.IsValid)
            {
                context.clContas.Add(contaItem);

                await context.SaveChangesAsync();

                return(contaItem);
            }
            else
            {
                return(BadRequest(ModelState));
            }
        }
        public async Task <ActionResult <List <clContas> > > Get([FromServices] contasDbContext context)
        {
            var ret = await context.clContas.ToListAsync();

            return(ret);
        }