Function introduction: Use a three-tier architecture to simply implement an online music platform that can play music, Baidu promotion and sharing, backend management and other backend functions: song management, singer management, song type management, security management, singer type management, backend page design, imitation of liuwt999's three-tier architecture music platform, I hope all the masters can Thank you for your advice! This website uses the cmp4 player plug-in. Thanks to Winlone囧V and the great gods who helped me during my project. Notice: The development environment is Visual Studio 2010, the database is SQL Server 2008, and the database file can be attached to the DB_51aspx folder. Backend address: domain name/admin/Admin_LoginPage.aspx The background management account and password are: 51aspx