Windows® Phone 8 Unleashed

Using an OData Proxy

To query an OData producer, such as the eBay OData service, first create an instance of the generated OData model class, using the service root URI, like so:

EBayData ebayData = new EBayData(new Uri("http://ebayodata.cloudapp.net/"));

We then create a DataServiceCollection, which is used to query the OData service asynchronously and to populate itself with the objects representing items in the response feed. The DataServiceCollection type inherits from ObservableCollection, which means it supports INotifyCollectionChanged out of the box, and it can be used directly within the user interface.

To instantiate a DataServiceCollection, an OData model instance is passed to its constructor, like so:

searchResult = new DataServiceCollection ...