hi,this is my first time to use EA and met some problems

P1

P2
I have been set up the relation of package import in the logical model diagram,and Generates code BLL.admin.cs:
///////////////////////////////////////////////////////////
// admin.cs
// Implementation of the Class admin
// Generated by Enterprise Architect
// Created on: 21-[ch21313][ch26376]-2009 15:14:43
// Original author: Evilsir
///////////////////////////////////////////////////////////
namespace BLL {
public class admin {
public admin(){
}
~admin(){
}
public virtual void Dispose(){
}
}//end admin
}//end namespace BLL
question:why the code doesn't include a code like using DAL; etc
whether i have miss anything? please help with my problem,think you all!
by the way ,i am chinese and my english very poor
