How do I use a variable declared in a method, outside that method?

Question

I am using VS 2008 (C#)... I have created a function in a GlobalClass to use it globally.. This is for opening a dialog box. When I call this function in my method it works but

Answer 1

Do it like this -

static class GlobalClass
{
    public static string OFDbutton()
    {
        OpenFileDialog ofd = new OpenFileDialog();
        ofd.Filter = "Image files|*.jpg;*.jpeg;*.png;*.gif";
        DialogResult dr = ofd.ShowDialog();
        return ofd.FileName;
    }
}

lable1.text = GlobalClass.OFDbutton();