C#比较时分秒大小，终止分钟默认加十分钟，解决跨天、跨月、跨年的情况-优快云博客

本文介绍了一个使用C#编写的医院记录查询功能的具体实现。该功能通过下拉菜单选择住院次数来筛选并显示患者的住院记录，包括入住时间和离开时间等关键信息。此外，还涉及了日期和时间的处理及特殊情况的逻辑判断。

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   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"]);
                }              
            }
        }