获取当前build的版本信息

获取当前运行程序集的编译时间，觉得很有用，立此为据。

code snippet:

System.IO.FileInfo fileInfo = new System.IO.FileInfo(Assembly.GetExecutingAssembly().Location);
this.LabelVersion.CssClass = "VersionString";
this.LabelVersion.Text = "build on " + fileInfo.LastWriteTime.ToString("M/d/yy, HH:mm:ss");