public string AjaxLogin(string UserName, string Password) { int result = usermanager.AjaxLogin(UserName, Password); if (result > 0) { Users users = usermanager.GetUserByName(UserName); Session["UserName"] = UserName; Session["UserID"] = users.UserID; return("登录成功!"); } else { return("用户名或密码错误!"); } }