Linq里注意的东西
LINQ 中IN的用法
IN:
C#
var result = from s1 in context.Customers where (new string[]
{ "UK", "Lisboa" }).Contains(s1.City) select s1;
NOT IN:
C#
var result = from s1 in context.Customers where !(new string[] { "UK", "Lisboa" }).Contains(s1.City) select s1;