//1 将系统时间转换成UNIX时间戳
DateTime dtStart
= TimeZone.CurrentTimeZone.ToLocalTime(new
DateTime(1970,1,1));
DateTime dtNow =
DateTime.Parse(DateTime.Now.ToString());
TimeSpan toNow = dtNow.Subtract(dtStart);
string timeStamp = toNow.Ticks.ToString();
timeStamp = timeStamp.Substring(0,timeStamp.Length -
7);
Response.Write(timeStamp);
//2将UNIX时间戳转换成系统时间
string
timeStamp = this.txtDate.Text;
DateTime
dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new
DateTime(1970,1,1));
long lTime =
long.Parse(timeStamp + "0000000");
TimeSpan
toNow = new TimeSpan(lTime);
DateTime
dtResult = dtStart.Add(toNow);
Response.Write(dtResult);