public IEnumerable <SearchQueryCriteria <Client> > GetClientCriterias()
{
yield return(Q.MapString(s => new SearchQueryCriteria <Client>(x => x.Email.Contains(s) || x.PhoneNumber.Contains(s) || x.Name.Contains(s))));
yield return(Deactivated.MapNullable(d => new SearchQueryCriteria <Client>(x => x.DeActivated == d)));
yield return(RegistrationDate.GetSearchCriteriaFromGenericRange <Client, DateTime>(x => x.CreatedOn));
if (SearchSex)
{
yield return(new SearchQueryCriteria <Client>(x => x.Sex == Sex));
}
}
