BILLING
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;
using System.Diagnostics;
namespace biling
{
public partial class Form1 : Form
{
private Stopwatch wkt = null;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text != "")
{
wkt = new Stopwatch();
if (button1.Text == "login")
{
if (radioButton1.Checked)
{
label3.Text = "1 jam";
}
else if (radioButton2.Checked)
{
label3.Text = "5 jam";
}
label2.Visible = true;
wkt.Start();
button1.Text = "Stop";
}
else if (button1.Text == "Stop")
{
wkt.Start();
if (radioButton1.Checked)
{
MessageBox.Show("Jumlah tagihan anda sebesar Rp 2000", "Total Tagihan Paket Regular");
}
if (radioButton2.Checked)
{
MessageBox.Show("Jumlah Tagihan anda sebesar Rp 9000", "Total Tahihan Paket Hemat");
}
wkt.Reset();
label2.Visible = false;
button1.Text = "login";
textBox1.Text = null;
}
}
else if (textBox1.Text == "")
{
MessageBox.Show("Nama Harus Diisi!!!", "Important Message");
}
}
private void timer1_Tick(object sender, EventArgs e)
{
if (wkt != null)
{
label2.Text = wkt.Elapsed.ToString(@"hh\:mm\:ss");
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
}
}
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