一个简单实用的教师在线答疑系统，通过该系统教师可与学生实现网上在线交流，开发环境C#+ASP.net+SQLserver-Teachers a simple and practical online question answering system, through the system of teachers and students can achieve on-line exchanges, development environment, C#+ ASP.net+ SQLserver

C#编写的dataGridView链接SQLServer数据库，并在控件中实现对数据库的增删改查，可同时对多行操作-Written in C# dataGridView link SQLServer database, and in the control of Database CRUD, which can operate on multiple lines