Validate numeric textbox using int.tryparse visual C#.NET

private void textBox1_KeyDown(object sender, KeyEventArgs e)
        {
            int i;

            string s = string.Empty;

            s += (char)e.KeyValue;

             if (!(int.TryParse(s, out i)))
            {
                e.SuppressKeyPress = true;
                textBox2.Text = "An int, that key press would not create";
            }
            else
            {
                textBox2.Text = "On the path to a great int, you are";
            }             
        }