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  • Blog Post: OData Browser for Windows Phone 7

    Since the company got me a Windows Phone 7 device and also paid for my developer account, I feel obligated to put an application for the market place out there. Hence. we have the OData browser for Windows Phone 7 . I am currently testing with a couple of brave beta testers and will be uploading this...
  • Blog Post: ADO.NET Data Services : Efficient Error Handling across Application Tiers

    While developing an application that spans multiple tiers , it is important that you be able to flow error information through the tiers without losing any context or details in the tiers. With ADO.NET Data Services , we have an error contract which guarantees that all errors thrown from the Data Service...
  • Blog Post: Please welcome the JAVA Client for ADO.NET Data Services

    The new Java client joins a growing family of clients for ADO.NET Data Services, which include: Ajax , Silverlight , .Net FX , Dynamic Data , PHP . Here’s some documentation about the Java client http://wiki.restlet.org/docs_2.0/13-restlet/28-restlet/287-restlet.html .
  • Blog Post: Using the PHP Toolkit with ADO.NET Data Services

    Setup PHP on your windows machine Setup the PHP Toolkit Setting up the PHP samples on IIS Running the sample ADO.NET Data Services PHP Sample Applications Walkthrough Setup PHP on your windows machine The following steps show you how to setup your windows machine to host PHP applications. We will be...
  • 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: PhP and Astoria = PHASTORIA !!

    More details here : Announcing the PHP Toolkit for ADO.NET Data Services Look forward to future posts on this blog about working with the PHP library and Astoria Services.
  • 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: ADO.NET Data Services Friendly Feeds , Mapping EDM Types - I

    As I mentioned in my last blog post , here are some samples of how to map your entity properties to Atom/custom markup in the atom:entry element. You can apply Friendly Feed mappings on the EDM entity types by adding attributes to the CSDL of the Entity Data Model . We will focus on the kinds of mappings...
  • Blog Post: Versioning note , writing SL 3.0 applications with Astoria v1.5 Sl 2.0 SDK Library

    As part of the v1.5 install, we also shipped a Silverlight 2.0 SDK library that is capable of talking to a v1.5 Astoria Service. Did you know that you could use the Silverlight 2.0 client library we shipped as part of our v1.5 CTP1 release in Silverlight 3.0 applications? From a Silverlight SDK library...
  • Blog Post: ADO.NET Data Services Silverlight Project Error : System.IO.FileNotFoundException

    Imagine this , you just downloaded the Astoria V1.5 CTP1 and are happily chugging along and decide to make a Silverlight Project that uses the latest Silverlight client library to make some cool app. You open an existing Silverlight app  /create a new Silverlight app , and generate the client types...
  • Blog Post: Introducing Web Friendly Feeds aka Friendly Feeds

    Hello all , with the recent release of ADO.NET Data v1.5 Services CTP 1 , we introduced a new feature called as “Web Friendly Feeds”. What is this feature about ? This is what the markup for one of the the resources of Customers looks like in ADO.NET Data Services v1 . <? xml version ="1.0" encoding...
  • 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: Astoria Ski Day V2

    I buckled under peer pressure .Here are the pics from the  2nd Annual Astoria Ski Day . Explanations will come soon . If you have a facebook account , here are the same pictures ,tagged. Astoria Ski Day V2
  • 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: Viewer Mail , #1

    Disclaimer  : These are my thoughts and opinions , although I work on the Astoria team , I am not the voice of the team.The team has its own voice and can be heard here : Project Astoria Team Blog Hola ! I am interrupting my regularly scheduled blog post to  answer some really interesting questions...
  • Blog Post: Astoria & IIS , HTTP 400 Bad Request on Posting Large Payloads to an astoria service

    We’ve seen this in the labs and also reported by our customers on the forums, If you try to post a large amount of data to an astoria data service , you might receive a response code Http 400 Bad Request even though the response data is valid. An ADO.NET Data Service sits on top of Windows Communication...
  • 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...
  • Blog Post: Interim Release: Making SL2 Beta 2 Clients Work With .NET Fx 3.5 SP1 RTM Servers

    Cross-posted from here : Interim Release: Making SL2 Beta 2 Clients Work With .NET Fx 3.5 SP1 RTM Servers As an offshoot of the feedback we got from different channels , ( Blogs , Direct emails to team members , our discussion forums, etc) we are releasing an “interim build” of the data services ...
  • Blog Post: Entities , How many ways do I count thee ?

    Its a common ask that we introduce aggregating mechanisms in Data services so that one can do a Count of the number of entities present in an EntitySet easily. In this blog post , I will outline one method of implementing a “Count” method that works for you. The interface to the count method will be...
  • Blog Post: MSDN Docs for Ado.net Data Services RTM

    Client Library : System.Data.Services.Client Server : System.Data.Services White papers coming soon !!
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