1-) C# - 60. Örnek Proje - Sayısal Loto

using System;

using System.Drawing;

using System.Windows.Forms;

namespace _60.Ornek_Proje_Sayisal_Loto

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            Random rast = new Random();

            int s1, s2, s3, s4;

            s1 = rast.Next(1, 5);

            s2 = rast.Next(1, 5);

            s3 = rast.Next(1, 5);

            s4 = rast.Next(1, 5);

            label1.Text = s1.ToString();

            label2.Text = s2.ToString();

            label3.Text = s3.ToString();

            label4.Text = s4.ToString();

            //sayi 1

            if (textBox1.Text == label1.Text)

            {

                textBox1.BackColor = Color.Green;

            }

            else

            {

                textBox1.BackColor = Color.Red;

            }

            //sayi 2

            if (textBox2.Text == label2.Text)

            {

                textBox2.BackColor = Color.Green;

            }

            else

            {

                textBox2.BackColor = Color.Red;

            }

            //sayi 3

            if (textBox3.Text == label3.Text)

            {

                textBox3.BackColor = Color.Green;

            }

            else

            {

                textBox3.BackColor = Color.Red;

            }

            //sayi 4

            if (textBox4.Text == label4.Text)

            {

                textBox4.BackColor = Color.Green;

            }

            else

            {

                textBox4.BackColor = Color.Red;

            }

        }

    }

}