Tutorial ASP 4

1. bukalah visual studio - C# - form app, dan beri nama sesuai keinginan anda, dan buatlah form seperti gambar berikut ..

2. lalu klik 2x pada form tersebut dan isikan dengan script dibawah ini ..

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ASP4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
        }

        private void progressBar1_Click(object sender, EventArgs e)
        {
        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
        }

        private void button2_Click(object sender, EventArgs e)
        {
            {
                progressBar1.Value = 0;
                if (textBox1.Text == "")
                {
                    errorProvider1.SetError(textBox1, "Masukkan Nama");
                }
                else
                {
                    errorProvider1.SetError(textBox1, "");
                }
                if (textBox2.Text == "")
                {
                    errorProvider2.SetError(textBox2, "Masukkan NIS");
                }
                else
                {
                    errorProvider2.SetError(textBox2, "");
                }
                if (textBox3.Text == "")
                {
                    errorProvider3.SetError(textBox3, "Masukkan NIS");
                }
                else
                {
                    errorProvider3.SetError(textBox3, "");
                }
                if (textBox4.Text == "")
                {
                    errorProvider4.SetError(textBox4, "Masukkan NIS");
                }
                else
                {
                    errorProvider4.SetError(textBox4, "");
                }
                for (int i = 0; i < progressBar1.Maximum; i++)
                {

                    progressBar1.Value = progressBar1.Value + 1;
                }
                MessageBox.Show("\nNama\t : " + textBox1.Text + "\nNIM\t : "
                    + textBox2.Text + "\nKelas\t : " + textBox3.Text + "\nShift\t : " + textBox4.Text);
            }
        }

        private void Form1_Load_1(object sender, EventArgs e)
        {

        }
    }
}

3. Jalankan program tersebut dengan menekan tombol CTRL + F5 ..