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  • Blog Post: Async extension methods for OData Windows 8 client library

    If you’re writing Windows Store applications and want to use the async goodness that the platform allows with your OData client applications, take a look at these extension methods that allow you to use the await and async keywords in your apps. Some useful links WCF Data Services Tools for Windows Store...
  • Blog Post: Server Driven Paging II , Implementing a Smart Auto-Paging Enumerable

    Download Sample Application What is this ? How do I use this in my applications ? Cool, I am also interested in learning how this was built 2. What is this ? An “Auto-paging Enumerable” is an IEnumerable implementation that allows the application to automatically fetch the next page of...
  • Blog Post: Developing a Windows Phone 7 Application that consumes OData

    Click here to download the source for this application System Requirements : 1. Windows Phone 7 Developer tools 2. The OData client library for Windows Phone 7. We start by running Visual Studio 2010 Express For Windows Phone which is installed as part of Windows Phone 7 Developer tools....
  • Blog Post: ADO.NET Data Services SL Client Library - XDomain and Out Of Browser

    The first in my two part blog posts about the new Silverlight Client Library we released in CTP2 is up on the team blog. Using the ADO.NET Data Services Silverlight client in x-domain and out of browser scenarios – I Stay tuned to the team blog for the the second part which talks about using the...
  • Blog Post: Silverlight toolkit with ADO.NET Data services , Drill-down Charts using Astoria

    Download sample project here : In part 2 of this series , we will look at using the Astoria client library to create a drill down chart using the chart types available in the Silverlight toolkit. You can take a look at the complete samples for the Silverlight toolkit here . This sample builds a UI that...
  • Blog Post: Silverlight toolkit with ADO.NET Data services , Master-Details with Accordion

    Download the sample Silverlight project here : About the Silverlight toolkit  , From their Codeplex page : http://silverlight.codeplex.com/ “The Silverlight Toolkit is a collection of Silverlight controls, components and utilities made available outside the normal Silverlight release cycle” In the...
  • Blog Post: Set Based Operations in Ado.net Data Services Part II

    As an extension to the last blog post dealing with Set based filter operations in our client library , we will introduce support for the specifying method calls in the filter expression. What does this achieve ? Currently , the IsIn operator only supports an equality comparision. With support for Method...
  • Blog Post: Batching Queries using the ADO.NET Data Services CLient library

    Did you know you could execute batch queries using the Data Services client library ? The API is ExecuteBatch for Synchronous access and Begin/End ExecuteBatch for asynchronous scenarios. 1) Batching a set of URI Queries . The ExecuteBatch API accepts an array of DataServiceRequest objects....
  • Blog Post: Working with Inheritance in Ado.net Data Services

    I’ve seen this question quite often on the Astoria forums and wanted to write something down so that our users can gain from the discussions that go on in our forums. We will discuss how one deals with entities ( tables / records / resources ) that participate in an inheritance hierarchy. We shall take...
  • Blog Post: Customizing Serialization of Entities in the ADO.NET Data Services Client Library

    This post is inspired by this forum thread : Data services client -- exception on saveChanges Problem Statement I have added some custom proeprties to the Entity Types Generated by DataSvcUtil.exe /Add Service Reference / Hand Coded , these properties do not exist on the server and should not be...
  • Blog Post: Working with associations in ADO.NET Data Services , Part 2

    In part 2 ,we will talk about how to use the client library to deal with : 1..N Associations This is the case of entities associated with each other 1..N . An example from Northwind is the relation between Categories and Products Entities. An instance of the Categories entity type should have associated...
  • Blog Post: Accessing Cross-Domain ADO.NET Data Services from the Silverlight Client Library

    When we built the client library for Silverlight in Silverlight 2.0 , the underlying Network Stack provided by Silverlight core libraries was very limited in terms of the Status Codes and Request Verbs that it supported.Our options were : a) Use the System.Net libraries provided by the agClr and give...
  • Blog Post: DataServiceContext , Detect if there are pending changes

    Hi , I ran into this interesting scenario in the forums today . How does one find out if there are any pending changes in the DataServiceContext that you have to submit to the store ?   This is quite simple actually . The DataServiceContext has 2 collections called Entities and Links . These collections...
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