/// <summary> /// Gets the name of the system user. /// </summary> /// <param name="id">The id.</param> /// <returns></returns> public static string SystemUserName(Object id) { Guid systemUserID; if (Guid.TryParse(id.ToString(), out systemUserID)) { if (systemUserID.Equals(Guid.Empty)) { return("系統預設"); } else { using (WorkshopEntities db = new WorkshopEntities()) { var user = db.SystemUser.FirstOrDefault(x => x.ID == systemUserID); return((user != null) ? user.Name : "系統預設"); } } } return("系統預設"); }