Page 46 - E-Modul Pemrograman Dasar Kelas X RPL

private void btnHitung_Click(object sender,
EventArgs e)

{

double jari, luas;

jari = double.Parse(txtJari.Text);
luas 3.14 jari jari;

txtLuas.Text = Convert.ToString(luas);

}

private void btnKeluar_Click(object sender,
EventArgs e)

{
this.Close();

}

}

}

e) Form volume kotak (frmKotak)

using System;

using System.Collections.Generic;

using System.ComponentModel;
using System.Data;

using System.Drawing;

using System.Linq; using System.Text;

using System.Windows.Forms;

namespace Luasdanvolume

{

public partial class frmkotak: Form

{

public frmKotak()

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