LINQ to XML 和 RIA 服务？
两者有什么区别？它们是否应该执行同一个功能——数据绑定？或者相比之下，它们是“苹果和橙子”吗？
What is the difference between the two? Are they supposed to perform one and the same function - data binding? Or are they "apples and oranges" in comparison?
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这些确实是不同的事情。 LINQ to XML 是一种尝试将 XML 数据视为关系数据并查询该数据的方法。
RIA 服务是一种特殊类型的 WCF 服务，它将数据公开给紧密耦合的客户端。它们可以具有 SOAP/二进制、SOAP/XML 或 JSON 端点。您可以将 RIA 服务视为“LINQ to Web 服务”，尽管它可以与 AJAX 配合使用，但它实际上是针对 Silverlight 客户端的。
These are really different things. LINQ to XML is a way of trying to treat XML data as though it were relational, and querying on that data.
RIA services are a special type of WCF service that exposes data to tightly-coupled clients. They can have SOAP/binary, SOAP/XML, or JSON endpoints. You can think of RIA services as a "LINQ to web service", and though it will work with AJAX, it was really intended for a Silverlight client.