public static void Add(PersonalSurvey survey)
 {
     DBContext.Current.Add<PersonalSurvey>(survey);
 }
 public static void Update(PersonalSurvey survey, UpdateDefinition<PersonalSurvey> update)
 {
     DBContext.Current.Update<PersonalSurvey>(x => x.id == survey.id, update);
 }