Building rich internet applications for business that are interactive and elegant is hard. WCF RIA Services, released alongside Silverlight 4, represents a new take on multi-tier application development. In this demo-only (no slides) talk, we'll introduce RIA Services and then walk through how you can use it to easily build your own rich internet applications using Silverlight 4 and ASP.NET.
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Introduction to WCF RIA Services for Silverlight 4 Developers
1. Building Applications with WCF
RIA Services
Stephen Forte
Chief Strategy Officer, Telerik
www.telerik.com
Stevef.hk@gmail.com
S f hk@ il
Blog: Stephenforte.net
2. Speaker.Bio()
• Chief Strategy Officer of Telerik
• Certified Scrum Master
Certified Scrum Master
• Active in the Community:
– International Conference Speaker for 13+ Years
International Conference Speaker for 13+ Years
– RD, MVP and INETA Speaker
– Co‐moderator & founder of NYC .NET
Developers Group http://www.nycdotnetdev.com
D l G htt // d t td
– Wrote a few books: SQL Server 2008 Developers Guide
(MS Press)
• MBA from the City University of New York
• Past:
– CTO and co‐Founder of Corzen, Inc. (TXV: WAN)
– CTO of Zagat Survey
4. RIA Services in n‐tier applications
Trust
Boundaryy
Web
W b
Service
Data
Access App App
Layer View
Logic Logic
(DAL)
Database
Framework, tools and services with
prescriptive pattern for n tier applications
prescriptive pattern for n‐tier applications
6. Using the right tool for the job
Using the right tool for the job
WCF Layer Description
RIA Services
RIA Services Prescriptive E2E experience for Silverlight
E2E experience for Silverlight
applications
Data Services Turn‐key entity‐oriented programming
model for HTTP/RESTful services
Workflow Services Workflow‐oriented programming model for
long‐running business processes
long‐running business processes
Service Model Method‐oriented programming model for
WS‐* & REST developers
1. All programming models can leverage the wide‐ranging set of behaviors and
protocols
2.
2 We have good integration in SL4/Dev10, that gets even better in Dev11
We have good integration in SL4/Dev10 that gets even better in Dev11
Microsoft Confidential
7. RIA Services Design principles
RIA Services Design principles
• End‐to‐end view of an application: framework,
pattern, tooling and services
l d
• Prescriptive approach to app logic
• DAL‐neutral and targets multiple presentation
technologies
9. Design‐time view
Solution (Application)
Server project Client project
Entities Entities
Build, reflect
Data & code-gen Views
Access Domain
Domain
Layer Service
Context
(DAL)
10. Run‐time view (entity lifecycle)
Application
Web server Silverlight
Sil li ht
Query Load
Data
Entities Domain Entities
Access Domain Views
Layer Service Context
C t t Submit
S b it
Submit
(DAL)
Results Results
12. Services
• Authentication
• Roles
• User profile
• All integrate w/ ASP.NET infrastructure
13. Using RIA Services effectively
Do Don’t
• Require authentication /
q / • Deploy with anon access
Deploy with anon access
roles
– Authenticate w/ https
• E
Expose non‐essential
i l
• Utilize query composition
entities/ operations or allow
– Filter, sort, page
free‐form access to data
• Consider custom update
Consider custom update
• Factor into multiple • Use a single large
DomainService classes /
D i S i l / DomainService class
libraries
• H dl
Handle errors on server
• Use declarative validation