WCF RIA Services Essentials at codeplex

The RIA Services Essentials project contains sample applications/extensions demonstrating using and extending WCF RIA Services v1.

• Book Club – It was written to demonstrate some aspects of writing a semi-real-worldish application (note that it is still very much a demo app), but more importantly, demonstrating how you can use RIA Services effectively by going beyond the basics.

Here is a list of what the application demonstrates:

• Entity framework data model with one-to-many and many-to-many relationships as well as use of stored procedures
• Local data model augmented/mixed with a web service-based data model (in this case Amazon).
• CRUD and more (queries, insert, update, delete, as well as named update methods, and invoke methods)
• Use of convention and configuration for identifying CRUD operations
• Validation (field level, entity level, operation level, change-set scoped, server-only validation, async validation)
• Custom authentication (i.e. using your DAL/user table, rather than asp.net membership)
• Authorization (including custom authorization rules)
• Using authentication service and your User object in server code
• Usage of DomainServiceFactory
• Exposing reference data
• Presentation model for defining custom (non-DAL) types for use between client and server
• Shared code between client and server for validation rules
• Query limits, and caching
• Using RIA Services with MVVM on the client
• Adding computed properties on Entities on the client along with propagation of change notifications
• "More" style paging (as seen for example on twitter.com)
• Display of pending changes, validation errors
• Reference data used to fill lookup dropdown lists.

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