For Loop in C#

	
public partial class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void button1_Click(object sender, EventArgs e)
    {
      string s = "";
      for (int i = 0; i < 10; i = i + 2)
      {
        s += (i + 1).ToString() + ", ";
      }
      MessageBox.Show(s);
    }
  }