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  • Blog Post: Data Services Expressions – Part 8 – Projections

    Series: This post is the eighth part of the Data Services Expressions Series which describes expressions generated by WCF Data Services. Projections feature is visible in the URL through the $select query option. It allows the client to ask the server to only return a subset of properties on the returned...
  • Blog Post: Data Services Expressions – Part 7 – Navigation

    Series: This post is the seventh part of the Data Services Expressions Series which describes expressions generated by WCF Data Services. In this post we will examine how navigations are expressed by the WCF Data Services and what the provider needs to do to correctly support them. What is navigation...
  • Blog Post: Data Services Expressions – Part 6 – Key lookup

    Series: This post is the sixth part of the Data Services Expressions Series which describes expressions generated by WCF Data Services. We will be looking into navigations in the next couple of posts. To be able to do that we first have to explain so called key lookups. With a query to a given entity...
  • Blog Post: Data Services Expressions – Part 5 – Sorting

    Series: This post is the fifth part of the Data Services Expressions Series which describes expressions generated by WCF Data Services. This time we will look at how WCF Data Services translates sorting expressions. Sorting expression are used when the URL uses a query option $orderby. Simple sorting...
  • Blog Post: Data Services Expressions – Part 3 – Filters

    Series: This post is the third part of the Data Service Expressions Series which describes expressions generated by WCF Data Services. In this part we will look at how filters are represented in the expressions. The Queryable.Where method Filters are meant to filter the entities (rows) returned from...
  • Blog Post: Data Services Expressions – Part 2 – The query root

    Series: This post is the second part of the Data Services Expressions Series which describes expressions generated by WCF Data Services. In this part we will first look how to watch the expressions generated by Data Services. Then we’re going to discuss our first expression, the query root. How to see...
  • Blog Post: Data Services Expressions – Part 1 - Intro

    WCF Data Services uses Data Service Providers to determine the shape and actual values of the data to expose. There are two providers implemented already for you (Entity Framework provider and Reflection provider) and you can also implement a custom provider. Alex James is writing a great series about...
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