阅读器关闭时尝试调用 Read 无效。关于考勤的，代码贴出来给大侠们看，小弟新手。

[t86911384]

public override void FillingRecord()
{
int pid = 0;
OutgoingWebResponseContext outgoingResponse = WebOperationContext.Current.OutgoingResponse;
outgoingResponse.Headers.Add("Cache-Control", "no-cache");
outgoingResponse.Headers.Add("Pragma", "no-cache");
IList<AttendanceMember> list = new List<AttendanceMember>();
DateTime now = DateTime.Now;

int checkStatus = 0;
using (SqlDatabase db = new SqlDatabase())
{
//获取考勤参考时间
db.Parameters.Clear();
db.CommandText = "SELECT * FROM [dk_Attendance_Members]";
using (DataReaderWrapper dr = db.ExecuteReader())
{
while (dr.Read())
{
AttendanceMember msg = new AttendanceMember();
msg.AttendanceID = dr.GetInt32("AttendanceID");
msg.MemberID = dr.GetInt32("MemberID");
msg.CheckInTime = dr.GetDateTime("CheckInTime");
msg.CheckOutTime = dr.GetDateTime("CheckOutTime");
msg.Status = (AttendanceStatus)dr.GetInt32("Status");

list.Add(msg);


if (dr.Read())
{
DateTime checkInTimeStr = dr.GetDateTime("CheckInTime");
DateTime checkOutTimeStr = dr.GetDateTime("CheckOutTime");
pid = dr.GetInt32("MemberID");
checkStatus = dr.GetInt32("Status");
dr.Close();

string today = now.ToString("yyyy-MM-dd");

//确定今天是否已有的考勤记录
db.Parameters.Clear();
db.CommandText = "SELECT MemberID,CheckInTime, CheckOutTime FROM [dk_Attendance_Records] WHERE [MemberID] = @PID AND [AttendanceDate] = @Today";
db.CreateParameter<int>("@PID", pid, System.Data.SqlDbType.Int);
db.CreateParameter<string>("@Today", today, System.Data.SqlDbType.VarChar, 10);

bool hasRecord = false;
DateTime amTime = new DateTime();
DateTime pmTime = new DateTime();
using (DataReaderWrapper drw = db.ExecuteReader())
{
if (drw.Read())
{
//已有考勤记录，读取上下班的时间记录。
hasRecord = true;
amTime = drw.GetDateTime("CheckInTime");
pmTime = drw.GetDateTime("CheckOutTime");
}

drw.Close();
}
bool isAM = now.Hour <= 12;//是否上午

//if (isAM && amTime != DateTime.MinValue)
//{
// throw new ArgumentException( "您已经进行上班考勤了！");
//}
//else if (!string.IsNullOrEmpty(pmTime))
//{
// return "您已经进行下班考勤了！";
//}


DateTime checkTime = now.AddMinutes(-3);//TODO:正常应该就是当前时间，但是为了与公司的终端机兼容，于是减去3分钟。(如果终端机的程序修复了需要修改此处) //now;
string checkFiled;
string checkStatusField;

//0-未考勤
//1-正常
//2-临界
//3-迟到
//4-早退

if (isAM)
{
checkFiled = "CheckInTime";
checkStatusField = "CheckInStatus";

DateTime checkInDateTime = DateTime.Parse(checkInTimeStr.ToString("HH:mm:ss"));
if (checkTime == DateTime.MinValue)
{
//在不规定时间内上班
checkStatus = 0;
checkTime = DateTime.Parse(checkTime.ToString("yyyy-MM-dd 00:00:00"));
}
else
{
checkTime = DateTime.Parse(amTime.ToString("yyyy-MM-dd HH:mm:ss"));
}
}
else
{
checkFiled = "CheckOutTime";
checkStatusField = "CheckOutStatus";

DateTime checkOutDateTime = DateTime.Parse(checkOutTimeStr.ToString("HH:mm:ss"));
if (checkTime == DateTime.MinValue)
{
//在不规定时间后下班
checkStatus = 0;
checkTime = DateTime.Parse(checkTime.ToString("yyyy-MM-dd 00:00:00"));
}
else
{
checkTime = DateTime.Parse(pmTime.ToString("yyyy-MM-dd HH:mm:ss"));
}
}
//foreach (var item in list)
//{
db.Parameters.Clear();
db.CreateParameter<int>("@PID", pid, System.Data.SqlDbType.Int);
db.CreateParameter<string>("@Today", today, System.Data.SqlDbType.VarChar, 10);
db.CreateParameter<DateTime>("@CheckTime", checkTime, System.Data.SqlDbType.DateTime);
db.CreateParameter<int>("@CheckStatus", checkStatus, System.Data.SqlDbType.Int);
if (hasRecord)//已有记录
{
db.CommandText = string.Format("UPDATE [dk_Attendance_Records] SET [{0}] = @CheckTime, [{1}] = @CheckStatus WHERE [MemberID] = @PID AND [AttendanceDate] = @Today", checkFiled, checkStatusField);
}
else
{
db.CommandText = string.Format("INSERT INTO [dk_Attendance_Records] (AttendanceDate, MemberID, {0}, {1}) VALUES (@Today ,@PID, @CheckTime, @CheckStatus)", checkFiled, checkStatusField);
}

db.ExecuteNonQuery();
//}
}
else
{
//return "您不能通过网络方式进行考勤！";
}
//dr.Close();
}
}

}

throw new ArgumentException( "ok");
}

[anzhiqiang_touzi]

//drw.Close();
读完成了才关闭

[t86911384]

[Quote=引用 1 楼 的回复:]

//drw.Close();
读完成了才关闭
[/Quote]

谢了，我换别的方法了。