Asp. NET about the three-tier connection database

Source: Internet
Author: User
When connecting to a database in the middle tier, I would like to use the command method to read data from the database in DataReader, but not successful, I ask you what method. (I don't want to use adapter way) My code is as follows
Public System.Data.SqlClient.SqlDataReader GetData ()

System.Data.SqlClient.SqlDataReader reader;//= new System.Data.SqlClient.SqlDataReader (); ();
Sqlcommand.commandtext = "SELECT top 1 * authors";
reader = SqlCommand.ExecuteReader ();
Reader1 = reader["id"]. ToString ();
return reader;

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