oracleConnect to Oracle DatabaseSubmitted ByUser LevelDate of SubmissionRavi ShankarBeginner05/03/2001
Description of the Article
A Simple program to show connecting to an oracle database.
Source Code:

/***********************************************************************/
//Program Name : ADO Connection to Oracle
//Description  : A Sample program to connect to the oracle database
//Created On   : 01 May 2001
//Created By   : Ravi Shankar Venkatarajalu
/***********************************************************************/
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 Occured :
{0}",e.Errors[0].Message);
}


}
}