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DateTime requestDt = new DateTime(Convert.ToInt64(HttpContext.Current.Request["dt"]));
SQLStr = "select * from table where dt>'" + requestDt.ToString("yyyy-MM-dd HH:mm:ss.fff") + "'";
drop table #tb
create table #tb(id int,dt timestamp)
insert #tb(id) select 1
insert #tb(id) select 2
insert #tb(id) select 3
select *,ddate=cast(dt as datetime)
from #tb
id dt ddate
----------- ------------------ -----------------------
1 0x00000000000007D1 1900-01-01 00:00:06.670
2 0x00000000000007D2 1900-01-01 00:00:06.673
3 0x00000000000007D3 1900-01-01 00:00:06.677
(3 行受影响)select * from table where cast(dt as datetime)>时间戳值