By Pranay Rana

Image copied from : Nikhil Kothari’s BlogBlog : http://pranayamr.blogspot.com

Twitter : http://twitter.com/pranayamrFaceBook : http://www.facebook.com/pages/GMind-Solution

• How Silverlight application work

• Domain Service

• MetaData and Shared Files

• Bindings and DataContext

• Validations (Client side and Server side)

• CRUD operation

Rich application

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• Domain services are Windows Communication Foundation (WCF) services that encapsulate the business logic of a WCF RIA Services application.

• WCF RIA Services simplifies the traditional n-tier application pattern

• Enable client and server by exposing code on client side which is written on server side

• Enable entity , validation logic

• Partial classes of the entity classes designed by enity model

• Same as entity class just to add attribute to the property , Never get called

• Defined by added following attribute at top

[MetadataTypeAttribute(typeof(classname))]

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• Allow to share code between client and server

• Allow to share the business login between server and clientI used it for the validation purpose

• Source of Data

• Most of the time its an instance of entity.

property="{Binding}"

property="{Binding Path=pathvalue}"

property="{Binding

oneOrMoreBindingProperties}"

Property ="{Binding Path=pathvalue,

oneOrMoreBindingProperties}"

Converter

ConverterCulture

ConverterParameter

Mode

Source

Path

NotifyOnValidationError

ValidatesOnExceptions

• One Way binding

– Data Flow from entity instance to presentation

• Two Way binding

– Data Flow form entity instance to presentation and presentation to entity instance

• Data Annotation Validation Attributes

– Required

– StringLength

– Regular Expressions

– Range (for numeric inputs)

• Custom Validation Attributes

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Question and

Query

Thank YOU