public SysUserInfo GetCurrentUserInfo() { SysUserInfo user; try { user = this.Session["user"] as SysUserInfo; } catch { user = null; } if (user != null) { return(user); } string domain_account = HttpContext.Current.User.Identity.Name; if (!string.IsNullOrEmpty(domain_account)) // 用户已通过NT认证 { user = UserBiz.GetUserByAccount(domain_account); if (user != null) // 登录成功 { //user.LastLogonTime = DateTime.Now; // UserBiz._UpdateUser(user); UserBiz.DoLogin(user); Session["user"] = user; } else { throw new Exception("there is no information of " + domain_account + " in database"); } } else // 用户未通过NT认证 { throw new Exception("Access Denied"); } return(user); }