A simple teacher management system that can achieve two-level logins for administrators and teachers. After logging in, administrators can publish announcements. After logging in, teachers can view announcements and modify their own information. Development environment: 1. Page development environment: VS2005 integrated development environment 2. Development language: ASP.NET +C# 3.Backend database: SQL Server2000 4. Development environment operating platform: XP (SP2) DB_51aspx is a Sql database, and the default administrator account/password can be added: 51aspx/51aspx Teacher account/password: tech/tech
