using System;
using System.Data.SqlClient;
class ConnectToSqlConnection {
static void Main(string[] args) {
String sConn = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
String sSQL = "select id, firstname, lastname from Employee";
SqlConnection oConn = new SqlConnection(sConn);
oConn.Open();
SqlCommand oCmd = new SqlCommand(sSQL, oConn);
SqlDataReader oReader = oCmd.ExecuteReader();
int idxID = oReader.GetOrdinal("id");
int idxFirstName = oReader.GetOrdinal("firstname");
int idxLastName = oReader.GetOrdinal("lastname");
while(oReader.Read()) {
Console.WriteLine("{0} {1} {2}",
oReader.GetValue(idxID),
oReader.GetValue(idxFirstName),
oReader.GetValue(idxLastName));
}
}
}