捣赖宠物店（二）

我用自己的言语和进度去理解这个传说中的捣赖宠物店

二、分块分析

Project	Purpose
BLL	Home for business logic components
ConfigTool	Administration application used to encrypt connection strings and create event log source
DALFactory	Classes used to determine which database access assembly to load
IDAL	Set of interfaces which need to be implemented by each DAL implementation
Model	Thin data classes or business entities
OracleDAL	Oracle specific implementation of the Pet Shop DAL which uses the IDAL interfaces
Post-Build	Project to run post compile actions such as adding assemblies to the GAC or COM+
Pre-Build	Project to remove assemblies from the GAC or unregister assemblies from COM+
SQLServerDAL	Microsoft SQL Server specific implementation of the Pet Shop DAL which uses the IDAL interfaces
Utility	Set of helper classes including a wrapper for the DPAPI
Web	Web pages and controls
Solution Items	Miscellaneous items used to build the application such as Pet Shop.snk key file used to sign application assemblies

放这，下班了，以后接着写。