IListentity ls = new Listentity(); ls = (from k in ls where k.Name.Contains("safdsa") || k.PinSpell.Contains("MJ") select k).ToList(); 等同于 like '%safdsa%' or like '%MJ%'
IList<entity> ls = new List<entity>();
ls = (from k in ls
where k.Name.Contains("safdsa") || k.PinSpell.Contains("MJ")
select k).ToList();
等同于 like '%safdsa%' or like '%MJ%'