how to get executable version

gistfile1.cs

        public static string Version
        {
            get
            {
                Assembly asm = Assembly.GetExecutingAssembly();
                FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(asm.Location);
                return String.Format("{0}.{1}.{2}.{3}", fvi.ProductMajorPart, fvi.ProductMinorPart, fvi.ProductBuildPart, fvi.ProductPrivatePart);
            }
        }