连接到oracle数据库（一）

using System;
using System.Data;
using System.Data.ADO;

class OracleTest
{
static void Main()
{


//UID - User Id
//PWD - Password
//Server - Your Service name
//Using Microsoft ODBC for Oracle DSN-Less
//const string strConn = "Provider=MSDASQL;DRIVER={Microsoft
ODBC for ORACLE};UID=scott;PWD=tiger;Server=fnqa";

//Using Microsoft OLEDB Provider for Oracle
const string strConn = "Provider=MSDAORA.1;Data
Source=oracle_db;User ID=scott;Password=tiger";

//Using DSN Connection
//const string strConn =
"DSN=oracle_dsn;UID=scott;PWD=tiger" ;
const string strSQL = "Select * From EMP";

try
{
DataSet ds = new DataSet("EmployeesSet");
ADODataSetCommand myCommand = new
ADODataSetCommand(strSQL,strConn);
myCommand.FillDataSet(ds,"Buyer");
Console.WriteLine(ds.Xml);
}
catch(ADOException e)
{
Console.WriteLine("Exception Oclearcase/" target="_blank" >ccured :
{0}",e.Errors[0].Message);
}


}
}  

原文转自：http://www.ltesting.net