Measure execution time in C#

Question

I want to measure the execution of a piece of code and I\'m wondering what the best method to do this is?

Option 1:

DateTime StartTime = DateTime.Now         


        

Answer 1

Use below code

DateTime dExecutionTime;
dExecutionTime = DateTime.Now;
      TimeSpan span = DateTime.Now.Subtract(dExecutionTime);
                  lblExecutinTime.Text = "total time taken " +   Math.Round(span.TotalMinutes,2) + " minutes .   >>---> " + DateTime.Now.ToShortTimeString();