C#计算日期和时间差的方法
    DateTime    t1    =    DateTime.Parse("2005-01-01");
    DateTime    t2    =    DateTime.Parse("2006-01-01");
    System.TimeSpan    ts    =    t2    -    t1;
    int    days    =    ts.Days;
C#计算日期和时间差的方法
    DateTime    t1    =    DateTime.Parse("2005-01-01");
    DateTime    t2    =    DateTime.Parse("2006-01-01");
    System.TimeSpan    ts    =    t2    -    t1;
    int    days    =    ts.Days;