Page 39 - E-Modul Pemrograman Dasar

d) Form luas lingkaran (frmLingkaran)

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 frmLingkaran : Form
{
public frmlingkaran()

{
InitializeComponent();
}

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();
}
}
}

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