c# 计算函数代码运算时间

protected void StopwatchTest()

{

    System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();

    stopwatch.Start(); // 

 

   //代码

 

    stopwatch.Stop(); 

    TimeSpan timeSpan = stopwatch.Elapsed; 

    double hours = timeSpan.TotalHours; 

    double minutes = timeSpan.TotalMinutes;  

    double seconds = timeSpan.TotalSeconds;  

    double milliseconds = timeSpan.TotalMilliseconds;  //毫秒

}