摘要：
SELECT TOP (200) AttendanceId, UserId, OnDutyTime, OffDutyTime, OverTimeStart, OverTimeEnd, RecordTime, (CASE OverTimeStart WHEN '2000-01-01 00:00:00.000' THEN '未加班' ELSE OverTimeStart END) AS 加班了吗FROM AttendanceRecord 从datagridview中读数据 1 private void dataGridView1... 阅读全文