Tampa Web Developers will be learning Silverlight / XAML Binding and ADO.NET Data Services at the Tampa User Experience Group on Wednesday, February 11, 2009 at 7pm.
ADO.NET Data Services Overview
"The ADO.NET Data Services Framework supports data services that are accessible by standard Internet protocol (HTTP). ADO.NET Data Services provide data in the form of representational state transfer (REST) resources identified and addressed through URI naming conventions. Data resources are defined as entities and relationships according to the specifications of the Entity Data Model (EDM). Well known formats, such as JSON, AtomPub, and XML represent data for text-based transport in response to the HTTP verbs, GET, PUT, POST, and DELETE.
The ADO.NET Data Services Framework includes server APIs that are used to create data services and client APIs that implement a programming context for queries and updates by remote applications. ADO.NET Data Services work with many types of applications. The framework efficiently deploys data based on the Entity Data Model (EDM), but ADO.NET Data Services can also be created from any data source that implements the IQueryable <T> interface. On the client side, any application that can send an HTTP request can interact with ADO.NET Data Services.
Data in relational database management systems (RDBMS) can be mapped by an object-relational model and deployed by ADO.NET Data Services, but ADO.NET Data Services do not require object-relational mapping. The ADO.NET Data Services Framework can use any data source that implements IQueryable <T>. Data services based on XML data sources, Web services, application logic, and data access technologies such as LINQ to SQL, implement an EDM schema and use a query mechanism derived from LINQ.
Client applications interact with ADO.NET Data Services by sending GET, PUT, POST, and DELETE requests. Data is transported in open formats used in scripting environments, such as JSON and AtomPub. Common language runtime (CLR) applications can reference the .NET Client Library (ADO.NET Data Services Framework), which includes classes that create a programming context used for queries and updates to data."
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