C# 如何阻止oracledatareader读取
我已经创建了一个从Oracle DB读取数据的软件,通过SMS发送数据,但我想在我按键盘上的C键时阻止datareader读取数据,但当我这样做时,我收到以下异常消息:C# 如何阻止oracledatareader读取,c#,oracle,c#-4.0,datareader,C#,Oracle,C# 4.0,Datareader,我已经创建了一个从Oracle DB读取数据的软件,通过SMS发送数据,但我想在我按键盘上的C键时阻止datareader读取数据,但当我这样做时,我收到以下异常消息: Operation is not valid due to the current state of the object 堆栈跟踪: at Oracle.DataAccess.Client.OracleDataReader.Read() at Test_SMS_AT_Command.Program.OnTimer(Ob
Operation is not valid due to the current state of the object
堆栈跟踪:
at Oracle.DataAccess.Client.OracleDataReader.Read()
at Test_SMS_AT_Command.Program.OnTimer(Object obj, EventArgs args)
这是我的代码:
oraCommand.ExecuteNonQuery();
OracleDataAdapter oraDataAdapter = new OracleDataAdapter(oraCommand);
Oracle.DataAccess.Types.OracleRefCursor refCursor = (Oracle.DataAccess.Types.OracleRefCursor)oraParameter.Value;
OracleDataReader reader = refCursor.GetDataReader();
while (reader.Read())
{
if (cki.Key == ConsoleKey.C)
{
cancel();
if (reader != null)
{
reader.Close(); //Closed
}
break;
}
if (sms.sendSms(reader["MOBILE_NO"].ToString(), reader["TEXT"].ToString()))
{
Console.WriteLine("Message successfully sent to " + reader["MOBILE_NO"].ToString() + ": " + DateTime.Now);
setStatus(Convert.ToInt32(reader["GORANNET_SMS_ID"]));
writeToFile(reader["TEXT"] + " sent to " + reader["MOBILE_NO"] + " at: " + DateTime.Now);
}
else
{
Console.WriteLine("Message was not sent");
}
System.Threading.Thread.Sleep(15000);
}
谢谢呼叫阅读器。关闭();while语句之后…不,我没有错过任何东西,读卡器工作正常,但当我按键盘上的C键时,我想阻止读卡器继续阅读