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Peter Qian's blog - Data Developers Framework and Tools

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  • Blog Post: Using ASP.net Output Caching with WCF Data Services

    We all know hitting the database is an expensive operation, adding the cost of serialization on top of that means that caching the output makes even more sense. The fact that WCF Data Services is built on top of the ASP.net platform means you can utilize all of its power to help you build a better service...
  • Blog Post: Using WCF Data Service With Restricted Characters as Keys

    If you are hosting your WCF Data Service on top of IIS+ASP.Net/WCF, then you may discover that there are certain characters that will cause the server to throw when they are contained in entity keys. The result is either a 400 Bad Request or 404 Not Found. In VS 2010 RC, you can potentially configure...
  • Blog Post: Overwriting the service root URI in Wcf Data Service

    Suppose you are hosting a WCF Data Service on a particular URL, but for some reason you’d like the consumers of your service to hit another URI – perhaps an IIS re-write, or a cookieless session. You can do this via setting one of the custom properties in the OperationContext: OperationContext.Current...
  • Blog Post: Versioning Protocol of Astoria

    Now that CTP1 of Astoria has been made public, we have two different versions of server and client that can interact with each other. How does Astoria handle the versioning for the various possible interactions? While this question probably does not concern normal users who sticks to our client library...
  • Blog Post: Getting Row Count in ADO.Net Data Services

    The recent CTP release of ADO.Net Data Services (Astoria) V1.5 contains a nice feature that allows result set counting on the server side. In this blog post, I’ll go over the various ways you can benefit from this feature in your data service. Type of Row Count Before going into details on how...
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