C# Compare Time between Two Time Intervals

Question

Trying to compare a given Time between two times to see if it\'s within the those intervals. e.g. if given Time is 00:00 I need to find out if it falls between 21:00:00 to

Answer 1

string dt=DateTime.Now.ToShortTimeString();
DateTime presenttime=Convert.ToDateTime(dt);

starttime = starttimepicker.ValueString;
DateTime dtime=Convert.ToDateTime(starttime);

if (dtime > presenttime)
{
   MessageBox.Show("Time cannot be greater than System Time. Please Try Again!", "Do not selecting future time", MessageBoxButton.OK);
            starttimepicker.Value = presenttime;
}