This system is a compact electronic mall system with basic functions such as product management, user registration, and leaving messages. The database configuration file needs to modify the string in App_Code/DataAcessLayer/Database.cs: ConnectionString = "server=(local);database= shop;uid=sa;password=sa" Backstage management address: admin/Login.aspx Default management account/password: codepub/codepub Under DB is the Sql database file, just attach it