public Boolean guardarDetalle(clsCobroDet cobroDet)
        {
            try
            {
                using (CuentasPorCobrarEntities ent = new CuentasPorCobrarEntities())
                {
                    int x = this.getNumero();
                    CobroDet coDet = new CobroDet()
                    {
                       idCobro = cobroDet.idCobro,
                       numero = x,
                       idBanco = cobroDet.idBanco,
                       idMedioPago = cobroDet.idMedioPago,
                       Valor = cobroDet.Valor,
                       NumeroDocumento = cobroDet.NumeroDocumento,
                       Observacion = cobroDet.Observacion,
                       idEstado = cobroDet.idEstado,
                       idEmpresa = cobroDet.idEmpresa,

                    };
                    ent.AddToCobroDet(coDet);
                    ent.SaveChanges();
                }
                return true;
            }
            catch (Exception)
            {
                return false;
            }
        }