string reference not set to an instance of a string.
DateTime dt2 = new DateTime();
dt = DateTime.ParseExact(YearOfRelease, "dd/MM/yyyy hh:mm:ss", null);
Year = dt.Year.ToString();
dt2 = DateTime.ParseExact(RunTime, "dd/MM/yyyy hh:mm:ss", null);
string hour = dt2.Hour.ToString();
string min = dt2.Minute.ToString();
Time = hour + ":" + min;