1. SINGAPORE
DEVELOPMENT, ADVANCED
Alvin Lau
Solutions Consultant, Dimension Data / MVP (ASP.Net/IIS)
OData with
WCF Web
APIs: “There’s
a URI for that”

2. Agenda
What is WCF Web API?
Why WCF Web API?
Understanding WCF Web API

3. What is WCF Web API?
Set of WCF components
Allows developers to expose apps, data, services
over HTTP
Targeted to simplify HTTP programming
Handles low level details of HTTP
Exposes HTTP programming model in a natural way
…Flexible, Extendable

4. Why WCF Web API?
From PCs -> Device…Devices
Support MANY clients/devices
If you want to reach your users, you need to
reach their device

5. BUILDING A WEB API FOR BROWSER
/ JSON CLIENTS

6. Architecture Overview
1. S/R HTTP Requests /
Responses
2. Listens over HTTP for
incoming message
3. Agnostic to hosting
environment (ASP.NET, IIS,
self-hosted)
4. Routing HTTP request to
HTTP Service instance,
Serialisation, Extensibility
point (MediaTypeFormatter)
5. Add custom handing code &
business logic

7. Features of WCF Web API
… Preview 5
 First class programming model for HTTP in WCF
 HttpClient
 OOB support for XML, JSON, Odata
 Plug any format / media type
 Iqueryable support
 Designed for separation of concerns and testability
– IoC container
– Validation, URI binding etc
 Support for HTTP file upload and MIME based batching
 Integrated Web API test client

8. ADDING MORE SUPPORT (GET, POST,
PUT AND DELETE)

9. SUPPORT FORM URL ENCODED DATA

10. References
WCF Web API -
http://wcf.codeplex.com/wikipage?title=WCF HTTP
Glenn Block’s blog -
http://codebetter.com/glennblock/
Pedro Felix’s blog -
https://pfelix.wordpress.com/tag/wcf-web-api/
Download it -
http://wcf.codeplex.com/releases/view/73399#Dow
nloadId=281825

11. • Windows Azure User Group Singapore
• Portal
• http://azureug.sg
• Facebook page
• http://www.facebook.com/MWAPSG
• Meeting
• When: Typically, Last Tuesday of the month
• Where: Microsoft Singapore Level 21 / 22
• Subscribe to our portal to receive the meeting invitation

12. Thank You