AerolineaFrba.Validacion.controlIngresoNumeroEntero C# (CSharp) Метод

        public static void controlIngresoNumeroEntero(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)(Keys.Back))
                return;

            if (!Char.IsDigit(e.KeyChar))
            {
                e.Handled = true;
            }
        }