美团。当地生活服务平台com近日公布了2014年业绩。2014年全年交易额超过460亿元，较去年增长180%以上，市场份额超过60%。
just want to know if linq to sql auto updated the id column of a class (table row object) after SubmitChanges is called inserting a new row to that table, 开发者_开发技巧that would be fantastic, would
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