懒鬼 搜都懒得搜??

'Microsoft OLEDB Provider for Oracle
"Provider=MSDAORA.1;Data Source=Your_TNSNames_Alias;User ID=User;Password=Password"

'Microsoft ODBC for Oracle DSN-Less
"Provider=MSDASQL;DRIVER={Microsoft ODBC for ORACLE};UID=User;PWD=Password;Server=Your_TNSNames_Alias"

'Microsoft ODBC for Oracle using a DSN
"DSN=Your_DSN_Name;UID=User;PWD=Password"

C#:
using System.Data.OracleClient;
OracleConnection oOracleConn = new OracleConnection();
oOracleConn.ConnectionString = "my connectionstring";
oOracleConn.Open();

VB.NET:
Imports System.Data.OracleClient
Dim oOracleConn As OracleConnection = New OracleConnection()
oOracleConn.ConnectionString = "my connectionstring"
oOracleConn.Open()