private void button1_Click(object sender, EventArgs e) { if (TxtPrest.Text.Trim().Length == 0) { MessageBox.Show("EL DATO ES REQUERIDO"); TxtPrest.Focus(); return; } if (TxtPlazo.Text.Trim().Length == 0) { MessageBox.Show("EL DATO ES REQUERIDO"); TxtPlazo.Focus(); return; } if (TxtInter.Text.Trim().Length == 0) { MessageBox.Show("EL DATO ES REQUERIDO"); TxtInter.Focus(); return; } double prest, inter, plazo; prest = Convert.ToDouble(TxtPrest.Text.Trim()); inter = Convert.ToDouble(TxtInter.Text.Trim()); plazo = Convert.ToDouble(TxtPlazo.Text.Trim()); inter = inter / 100; plazo = plazo * 12; TxtCoutaM.Text = re.Cuota(prest, inter, plazo).ToString(); }
private void button2_Click(object sender, EventArgs e) { TxtInter.Clear(); TxtPlazo.Clear(); TxtPrest.Clear(); TxtCoutaM.Clear(); TxtPrest.Focus(); }