Convert Difference between 2 times into Milliseconds?

Question

I have two masked TextBox controls and was wondering how I\'d go about getting the time in each one and then converting the difference into milliseconds. Like, say in tb1 I

Answer 1

Try the following:

   DateTime dtStart;
   DateTime dtEnd;

   if (DateTime.TryParse( tb1.Text, out dtStart ) && DateTime.TryParse(tb2.Text, out dtEnd ))
   {
      TimeSpan ts = dtStart - dtEnd;
      double difference = ts.TotalMilliseconds;
   }