C# ado.net oledb方式连接(三)

oledb 方式连接

   class Program
     {
         private static string constr = "server=.;database=northwnd;integrated security=sspi";
         static void Main(string[] args)
         {
             string source = "provider=sqloledb;" + constr;
             string select = "select contactname,companyname from customers";
             OleDbConnection con = new OleDbConnection(source);
             con.Open();
             OleDbCommand cmd = new OleDbCommand(select, con);
             OleDbDataReader reader = cmd.ExecuteReader();
             while (reader.Read())
                 Console.WriteLine("{0} from {1}", reader.GetString(0), reader.GetString(1));
             reader.Close();
             con.Close();
         }

     }