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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
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https://www.guidgenerator.com/online-guid-generator.aspx 阅读全文
posted @ 2016-03-30 10:10
lishidefengchen
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