private void BtnCalcular_Click(object sender, EventArgs e) { if (TxtHrxt.Text.Trim().Length == 0) { MessageBox.Show("Ingrese un dato"); TxtHrxt.Focus(); return; } if (TxtValor.Text.Trim().Length == 0) { MessageBox.Show("Ingrese un dato"); TxtValor.Focus(); return; } double hrxt, valor, sal; hrxt = Convert.ToDouble(TxtHrxt.Text); valor = Convert.ToDouble(TxtValor.Text); sal = hrxt * valor; TxtSal.Text = sal.ToString(); }
private void BtnLimpiar_Click(object sender, EventArgs e) { TxtHrxt.Clear(); TxtValor.Clear(); TxtSal.Clear(); }