asasa

     int sayac = 0;
        int[] sayi = new int[6];
        private void button1_Click(object sender, EventArgs e)
        {
            comboBox1.Items.Clear();

            Random rnd = new Random();
            for (int i = 0; i < sayi.Length; i++)
            {
                sayi[i] = rnd.Next(0, 50);
                comboBox1.Items.Add(sayi[i]);
            }
            button1.Enabled = false;
            button2.Enabled = true;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < sayi.Length; i++)
            {
                if ((sayi[i] == Convert.ToInt32(textBox1.Text)) || (sayi[i] == Convert.ToInt32(textBox2.Text)) || (sayi[i] == Convert.ToInt32(textBox3.Text)) || (sayi[i] == Convert.ToInt32(textBox4.Text)) || (sayi[i] == Convert.ToInt32(textBox5.Text)) || (sayi[i] == Convert.ToInt32(textBox6.Text)))
                {
                    sayac++;
                }
                MessageBox.Show(sayac + " tane sayı bildiniz.");
                button1.Enabled = true;
                button2.Enabled = false;
                sayac = 0;
            }
        }
    }
}