摘要：
http://stackoverflow.com/questions/623672/update-entity-framework-objectsEF dbcontext update after findhttp://www.google.com.hk/#hl=zh-CN&newwindow=1&safe=strict&site=&source=hp&q=entity+framework+dbcontext++entity+update&oq=entity+framework+dbcontext++entity+update&gs_l= 阅读全文
