silverlight and .net ria services – building lob and business applications with ease
TRANSCRIPT
Beyond RelationalPraveen SrivatsaDirector, AsthraSoft ConsultingMicrosoft Regional Director, BangaloreSession Code:
ObjectiveIn this session, we will talk about how tough it is to build data driven RIA Applications using today’s technologies.We will then see how the Silverlight 3.0 RIA Services addresses these problems by creating a comprehensive architecture pattern for developing Rich Interactive Applications.
RIA Applications todayThe pains and the travails of developing RIA Apps
ASP.NET and Ajax development is very time consumingSilverlight development is not better
Key focus : Developer productivityASP.NET MVC introduces an easier model for developing data driven applications
Taking ASP.NET MVC forward
Vision and Goals
Simplify RIA developmentn-tier is hard, and un-natural
Bring ASP.NET/RAD-style productivity to RIA development
Focus on end-to-end scenarios and solutions
Value Propositions
Focus on data in an end-to-end mannerA unified story for client and server developmentA prescriptive framework that targets key scenarios, and leads the common developer to a pit of success
End-to-End Data
Beyond accessing and editing rowsApp-specific custom operationsData shaping (sorting, paging, and filtering)Rules (validation, authorization, and conflict handing)Batching and offline
Web ApplicationBrowser Rich Internet Application
DB
Services
Other Applications
App Model that Spans Tiers
A single logical applicationClient is an extension of the server
Data Access Layer
AppLogic
Services
HTMLPresentati
onLogic
Network
Services
A Prescriptive Pattern
Application
DB
Services
Data Access Layer
AppLogic
Presentation
Logic
Network
DomainService: CRUD + App Logicclass CatalogIQueryable<Product> GetProducts()void UpdateProduct(Product, Product)void ToggleSale(Product)Validation and authorization rules,
Application workflows, …
Data Model class Product
DomainContext: Bindable Dataclass CatalogEntityList<Product> Products { get }void LoadProducts(IQueryable<Product>)void ToggleSale(Product)
class ProductData members + Validationvoid ToggleSale()
Data Model +Metadata +
Shared Code
A Pattern that Scales and Grows
Support for multiple presentation tiers and data access technologies
AppLogic
DatabasesADO.NET,ORMs (LTS, EF, …)
CLR Lists/ObjectsRepository(nHibernate, …)
ServicesREST/SOAP(Azure, …)
XML, JSON, Binary
.NET ClientsSilverlight, WPF
Standards ClientsJavaScript
Server RenderingHTML, SEO,Printing, …
ServicesWCF
Unit Test Code
Roadmap
First public CTP at MIXWorks with Silverlight 3 and .NET 3.5 SP1
On-going CTPs through RTMPlease provide feedback!Go-live later in the yearRTM soon after
Full support for ASP.NET, Ajax, and WPF applications also forthcoming
Summary
Focus on data in an end-to-end mannerA unified story for client and server developmentA prescriptive framework that targets key scenarios, and leads the common developer to a pit of success
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Email : [email protected] : http://blogs.asthrasoft.com/asthratimes
Track Resources
Silverlight Community Site (http://www.silverlight.net)
Blogs – Nikhil Kothari (http://www.nikhilk.net)
Blogs – ScottGu (http://weblogs.asp.net/scottgu/)
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