October, 2008

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 Products entities, this is another way of saying “ A row in the Products table should have links...

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 a limited subset of the functionality available on the desktop. b) Cook up our own Network stack and...

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 about one of my blog posts , i.e Working with Associations in ADO.NET Data Services . ...

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 Foundation , although most of the required plumbing is hidden away from you , you can still see...

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 contain entities and links that are tracked by the context. Given these collections , how does...