private void BtnCalcular_Click(object sender, EventArgs e) { if (TxtGalones.Text.Trim().Length == 0) { MessageBox.Show("Error"); TxtGalones.Focus(); return; } double gal, lt; gal = Convert.ToDouble(TxtGalones.Text); lt = gal * 3.785; TxtLitros.Text = lt.ToString(); }
private void BtnCancelar_Click(object sender, EventArgs e) { TxtGalones.Clear(); TxtLitros.Clear(); }
private void BtnLimpiar_Click(object sender, EventArgs e) { TxtLitros.Clear(); TxtGalones.Clear(); TxtLitros.Focus(); }