摘要： 查看了Subsonic的官方的使用文档, 里面对FetchByID是这样描述的:FetchByID takes has one parameter, the primary key value of the object in GUID, integeror string format, and returns a populated object.Product product = Product.FetchByID(id);If the object is not found, SubSonic will not throw an error. Instead you should che 阅读全文