如果不知道如何创建实体框架(EF)的伙伴,也不想上网查找资料 . . .
可以看下面这篇文章:
C#连接数据库 —— (一)实体框架(EF)的创建 (Linq To EF)
Linq 使用
首先,我们创建数据库实体对象(下面的所有操作都用到这个对象):
var DataModelsDb = new DbTrainEntities();
查询所有数据(对应SQL语句中的 in,这个例外):
var ttlist = from cc in DataModelsDb.CheZhan select cc;
foreach (var item in ttlist)
{
Console.Writ
基于ISO协议最新释放版
Road vehicles — Unified diagnostic
services (UDS) —
Part 1:
Application layer
Véhicules routiers — Services de diagnostic unifiés (SDU) —
Partie 1: Couches application
ISO (the International Organization for Standardization) is a worldwide federation of national
standards bodies (ISO member bodies). The work of preparing International Standards is normally
carried out through ISO technical committees. Each member body interested in a subject for which a
technical committee has been