1. Program kalkulator
Klik Keluar 2x lalu ketik programnya Untuk keluar = this.dispose();
Bilangan 1 Ganti nama textbox = txt1
Bilangan 2 ganti nama textbox = txt2
Proses = btnproses
Keluar = tbnkeluar
Hasil = txthasil
Klik proses = int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 + bilangan2;
txthasil.Text = hasil.ToString();
full program
2. 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 LATIHAN2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button2_Click(object sender, EventArgs e)
{
this.Dispose();
}
private void btnproses_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 + bilangan2;
txthasil.Text = hasil.ToString();
}
}
}
3. 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 latihan3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnkeluar_Click(object sender, EventArgs e)
{
this.Dispose();
}
private void btnpenjumlahan_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 + bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnpengurangan_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
4. int hasil;
hasil = bilangan1 - bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnperkalian_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 * bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnpembagian_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 / bilangan2;
txthasil.Text = hasil.ToString();
}
}
}
Membuat proses hapus
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;
5. namespace latihan3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnkeluar_Click(object sender, EventArgs e)
{
this.Dispose();
}
private void btnpenjumlahan_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 + bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnpengurangan_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 - bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnperkalian_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 * bilangan2;
txthasil.Text = hasil.ToString();
}
private void btnpembagian_Click(object sender, EventArgs e)
{
int bilangan1 = int.Parse(txtbil1.Text);
int bilangan2 = int.Parse(txtbil2.Text);
int hasil;
hasil = bilangan1 / bilangan2;
txthasil.Text = hasil.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
txtbil1.Text = "";
txtbil2.Text = "";
txthasil.Text = "";
txtbil1.Focus();
}
}
6. }
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 WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
cbogelar.Items.Add("A.Md");
cbogelar.Items.Add("S.Pd.I");
cbogelar.Items.Add("SE.Sy");
cbogelar.Items.Add("S.Sy");
}
private void btnproses_Click(object sender, EventArgs e)
{
IstDaftar.Items.Add(txtnd.Text + " " + txtb.Text + " " + cbogelar.Text);
}
private void btnhapus_Click(object sender, EventArgs e)
{
cbogelar.Text = " ";