I just want to add 1 day to a DateTime. So I wrote:
DateTime date = new DateTime(2010, 4, 29, 10, 25, 00);
TimeSpan t = new TimeSpan(1, 0, 0,
The result of date.Add(t) is what you're after:
DateTime date = new DateTime(2010, 4, 29, 10, 25, 00);
TimeSpan t = new TimeSpan(1, 0, 0, 0);
// The change is here, setting date to be the *new* date produced by calling Add
date = date.Add(t);
Console.WriteLine("A day after the day: " + date.ToString());