private void button2_Click(object sender, EventArgs e)
        {
            NumberGame peli = new NumberGame();

            int numero1 = peli.GetNumber1();
            int numero2 = peli.GetNumber2();
            int numero3 = peli.GetNumber3();

            string vastaus1 = numero1.ToString();
            string vastaus2 = numero2.ToString();
            string vastaus3 = numero3.ToString();


            if (textBox5.Text.Equals(vastaus1) && textBox6.Text.Equals(vastaus2) && textBox7.Text.Equals(vastaus3))
            {
                textBox8.Text = "Your answer was correct!";
            }
            else
            {
                textBox8.Text = "Your answer was wrong!";
            }

            int value1;

            if (int.TryParse(textBox5.Text, out value1))
            {
                if (value1 > 100 || value1 < 0)
                {
                    MessageBox.Show("Value1 is not between 0-99!\nPlease re-enter new value(s)");
                }
            }

            int value2;

            if (int.TryParse(textBox6.Text, out value2))
            {
                if (value2 > 100 || value2 < 0)
                {
                    System.Windows.Forms.MessageBox.Show("Value2 is not between 0-99!\nPlease re-enter new value(s)");
                }
            }

            int value3;

            if (int.TryParse(textBox7.Text, out value3))
            {
                if (value3 > 100 || value3 < 0)
                {
                    System.Windows.Forms.MessageBox.Show("Value3 is not between 0-99!\nPlease re-enter new value(s)");
                }
            }

            int valid1;

            if (!int.TryParse(textBox5.Text, out valid1))
            {
                System.Windows.Forms.MessageBox.Show("Value1 is not integer!\nPlease re-enter new value(s)");
            }

            int valid2;

            if (!int.TryParse(textBox6.Text, out valid2))
            {
                System.Windows.Forms.MessageBox.Show("Value2 is not integer!\nPlease re-enter new value(s)");
            }

            int valid3;

            if (!int.TryParse(textBox7.Text, out valid3))
            {
                System.Windows.Forms.MessageBox.Show("Value3 is not integer!\nPlease re-enter new value(s)");
            }
        }