File list (Check if you may need any files):
215s
....\App_Code
....\........\BusinessLogicLayer
....\........\..................\Message.cs
....\........\..................\User.cs
....\........\DataAccessLayer
....\........\...............\Database.cs
....\DB_51aspx
....\.........\MyChatRoom.sql
....\.........\MyChatRoom_Data.MDF
....\.........\MyChatRoom_Log.LDF
....\Images
....\......\logo.JPG
....\......\my.gif
....\Login.aspx
....\Login.aspx.cs
....\Main.aspx
....\Main.aspx.cs
....\ShowMessage.aspx
....\ShowMessage.aspx.cs
....\Speak.aspx
....\Speak.aspx.cs
....\Styles
....\......\Style.css
....\Web.config
....\拉基源码.txt
....\源码必读.txt
....\系统说明.txt