c#获取二个时间之前的天数
DateTime t1 = Convert.ToDateTime("1999-8-9");
DateTime t2 = Convert.ToDateTime("2007-8-19");
TimeSpan ts = t2 - t1;
int d = ts.Days;
d就是间隔的天数
DateTime t1 = Convert.ToDateTime("1999-8-9");
DateTime t2 = Convert.ToDateTime("2007-8-19");
TimeSpan ts = t2 - t1;
int d = ts.Days;
d就是间隔的天数