internal static Expression DaysAfterNthVisitDateRange(
ParameterExpression parm, CMSDataContext db,
DateTime? from,
DateTime? to,
int nthvisit,
int? progid,
int? divid,
int? org,
CompareType op,
int days)
{
Expression<Func<Person, int>> pred = p =>
db.AttendDaysAfterNthVisitInDateRange(p.PeopleId, progid, divid, org,
from, to, nthvisit).Value;
Expression left = Expression.Invoke(pred, parm);
var right = Expression.Convert(Expression.Constant(days), left.Type);
return Compare(left, op, right);
}
