Error ORA-28009: connection as SYS should be as SYSDBA or SYSOPER

Question

hi,
i try to connect to oracle in c#2005. I'm using oralce 10.2.0.3.0 in window vista.
i can connect as user scott , but can't do the same thing with use sys like sysdba. i encouter error :
"ORA-28009: connection as SYS should be as SYSDBA or SYSOPER"
this is my code :
using System;
using System.Data.SqlClient;
using System.Data.OleDb;
namespace ConsoleApplication2
class Program
static void Main(string[] args)
string connectionString = "provider=MSDAORA;data source=ORCL;user id=sys;password=orcl";
OleDbConnection myOleDbConnection = new OleDbConnection(connectionString);
try
myOleDbConnection.Open();
Console.WriteLine("successfull");
Console.ReadLine();
catch (Exception ex)
Console.WriteLine(ex.Message);
Console.Read();
i
i have google about this error and see that some people use Oracle.DataAccess.Client namespace to solve this error. but i cant find this namespace reference.
i want to connect to oracle in c# 2005 as user id = sys.
so , please help me.
thanks

Answer 1

it should be there regardless of the version you installed, go into your GAC and give it a look over (C:\Windows\assembly) the Oracle.** should be there after a successful installation. It is actually in your best interest to get the latest and greatest, the versions are backward compatible (I believe they all work to 9i++)
You can also goto
%ora_home%\odp.net
it will have sample c# and vb applications there
(%ora_home% tends to be c:\oracle\product\#####\Client_1\)
Have a look over the odp.net demos, that may very well put you on the correct track to getting things working.