auto increment number in text box

namespace UITest
{
    using System;
    using System.Windows.Forms;
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnIncrement_Click(object sender, EventArgs e)
        {
            textBox1.Text = IncrementedResult(textBox2.Text).ToString();
        }

        private Int32 IncrementedResult(string dataToParse)
        {
            int result;
            return Int32.TryParse(dataToParse, out result) ? ++result : result;
        }
    }
}