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)); } } }