var result=from item in container orderby value ascending/descending select item;
1、获取全部记录
var allCars = from c in myCars select c;
(提取指定行记录)
var allCars = (from c in myCars select c).Take<myCars>(5);//提取前5个数据
(模糊查询)
var quest = from qu in mdc.Question where qu.Question1.Contains("数") select qu;//模糊查询
--------qu.Question1.Contains("数")//Linq的表的哪列的Contains()的方法
