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)"); } }