string转datime的方法

Question

string怎么转datimeDateTime stoptime=this.lblstoptime.Text;还有就是 DateTime now = DateTime.Now;，怎样比较stoptime和now 的先后顺序

Answer 1

 DateTime.Parse("2010-9-10")
   DateTime.Compare(stoptime,now);

Answer 2

        DateTime dt1 = DateTime.Now;
        DateTime dt2 = DateTime.Now.AddDays(1);
        TimeSpan ts = dt1 - dt2;
        long l = ts.Ticks;

Answer 3

DateTime stoptime=Convert.ToDateTime(this.lblstoptime.Text.Trim());
DateTime now = DateTime.Now;
                
now.Subtract(stoptime)

Answer 4

DateTime stoptime=Convert.ToDateTime(this.lblstoptime.Text);if(DateTime.Compare(stoptime,DateTime.Now)>0)
{
}

Answer 5

http://www.cnblogs.com/davidlc/archive/2008/06/11/1217226.html

Answer 6

DateTime.Parse("2010-9-10")  >  DateTime.Today

Answer 7

DateTime.Compare(stoptime,DateTime.Now)>0

Answer 8

Convert.ToDateTime(this.lblstoptime.Text)