摘要: using (var ctx = new PortalContext()){ var city = ctx.Cities.Find(42); ctx.Entry(city) .Reference(c => c.Province) .Load(); city.Province = null; ctx. 阅读全文
posted @ 2016-03-30 17:44 lishidefengchen 阅读(489) 评论(0) 推荐(0)
摘要: https://www.guidgenerator.com/online-guid-generator.aspx 阅读全文
posted @ 2016-03-30 10:10 lishidefengchen 阅读(1119) 评论(0) 推荐(0)