private void cmbInHostimes_SelectedIndexChanged(object sender, EventArgs e)        {
                DataRow[] dr;            if (chkMid.Checked == true)            {                dr = leaveHosRecordData.Tables[0].Select("INHOSTIMES = " + cmbInHostimes.Text, "CURRENTINHOSMARK");            }            else            {                dr = leaveHosRecordData.Tables[0].Select("CURRENTINHOSMARK = " + cmbInHostimes.Text, "CURRENTINHOSMARK");            }            if (dr.Length > 0)            {                txtStartDate.DateTime = Convert.ToDateTime(dr[0]["ENTERHOSDATE"]);                txtStartTime.Time = Convert.ToDateTime(Convert.ToDateTime(dr[0]["ENTERHOSDATE"]).ToString("yyyy-MM-dd") + " 00:00:00");                txtEndTime.Time = Convert.ToDateTime(dr[dr.Length - 1]["LEAVEHOSDATE"]).AddMinutes(10);                currentInHosMark1 = Convert.ToInt32(dr[0]["CURRENTINHOSMARK"]);                //Case#28375                DateTime leavehosDate = Convert.ToDateTime(dr[dr.Length - 1]["LEAVEHOSDATE"]);//出院时间                TimeSpan ts1 = new TimeSpan(leavehosDate.Hour, leavehosDate.Minute, leavehosDate.Second);                TimeSpan ts2 = new TimeSpan(23, 49, 59);                //比较时分秒大小                if (ts1 > ts2)                {                    txtEndDate.DateTime = Convert.ToDateTime(dr[dr.Length - 1]["LEAVEHOSDATE"]).AddDays(1);                }                else                {                    txtEndDate.DateTime = Convert.ToDateTime(dr[dr.Length - 1]["LEAVEHOSDATE"]);                }                          }        }