C# 中计算耗时

C# 中计算耗时

System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Restart();
returnManager.AddRReturnActual(RReturnActualList, R.GBStatus, R.GBSummary);//执行方法
sw.Stop();
Console.WriteLine("耗时    " + sw.ElapsedMilliseconds);