sqlCommand Cmd = sqlCommand();
sqlConnection Conn = sqlConnection();

try{
Conn.ConnctionString="...";
Cmd.Connection=Conn;
Cmd.Connection.Open();
Cmd.CommandText="SELECT Field1, Field2 FROM Database1";
sqlReader myReader = Cmd.ExecuteReader();
while(myReader.Read()){
...
results.F1=myReader.GetInt32(0);
results.F2=myReader.GetString(1);
...
}
}finally{
myReader.Close();
Cmd.Connection.Close();
}