See how to use this function in C# to discover how many more days are left in a given countdown.

DateTime startDate = DateTime.Now;DateTime endDate = DateTime.Now.AddDays(-1);TimeSpan t = startDate - endDate;double days = t.TotalDays;string result = "This is the result";if (days < 0){result = "phew, the date is in the past";}else if (date = 0){result = "We are right on the dot";}else{result = string.format("{0} days to go!", days};}