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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 Read More...
Posted Tuesday, September 29, 2009 4:49 AM by PhaniRajuYN | 0 Comments
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Using the ADO.NET Data Services Silverlight client library in x-domain and out of browser scenarios – II (Forms Authentication)

Click here to download sample application Using the ADO.NET Data Services Silverlight client library in x-domain and out of browser scenarios – II (Forms Authentication) In this blog post, we will talk about using the Silverlight Client Library against Read More...
Posted Thursday, September 10, 2009 12:20 AM by PhaniRajuYN | 3 Comments
Attachment(s): DataServicesXDomainSLClient.WithAuth.zip

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 Read More...
Posted Tuesday, September 08, 2009 11:17 PM by PhaniRajuYN | 0 Comments
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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 Read More...
Posted Thursday, June 11, 2009 8:12 AM by PhaniRajuYN | 2 Comments

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 Read More...
Posted Saturday, March 28, 2009 10:32 PM by PhaniRajuYN | 4 Comments

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 Read More...
Posted Wednesday, March 25, 2009 3:30 AM by PhaniRajuYN | 3 Comments

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 Read More...
Posted Tuesday, March 24, 2009 3:09 AM by PhaniRajuYN | 3 Comments

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 Read More...
Posted Sunday, March 15, 2009 10:50 PM by PhaniRajuYN | 2 Comments

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 Read More...
Posted Tuesday, December 23, 2008 10:05 PM by PhaniRajuYN | 0 Comments

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 Read More...
Posted Thursday, December 11, 2008 11:06 PM by PhaniRajuYN | 7 Comments

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 Read More...
Posted Thursday, October 23, 2008 10:01 PM by PhaniRajuYN | 10 Comments

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 Read More...
Posted Tuesday, October 21, 2008 3:36 AM by PhaniRajuYN | 3 Comments
Attachment(s): slCrossDomain.zip

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 Read More...
Posted Thursday, October 16, 2008 6:55 AM by PhaniRajuYN | 0 Comments

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 Read More...
Posted Monday, October 06, 2008 3:35 AM by PhaniRajuYN | 3 Comments

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 Read More...
Posted Friday, October 03, 2008 6:20 PM by PhaniRajuYN | 0 Comments
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