摘要：
一、增加using (var entities = new TrainingDemoEntities()){ ar addLogin = new tb_login(); addLogin.UserName = "entity"; addLogin.UserPwd = "entity... 阅读全文
摘要：
一、增加using (var dataContext = new LinqEntityDataContext()) { var addLogin = new tb_login { UserName = "linq", UserPwd = "123" }; dataContext.tb_l... 阅读全文