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  • LINQ Shortcut When Using Silverlight and ADO .NET Data Services

    0 comments  /  posted by  Silverlight Show  on  Nov 04, 2009 (7 months ago)
    Tags: LINQ , Astoria , ADO.NET Data Services

    In this post Stephen Forte demonstrates how to use the code from his AsyncLINQManager.

    I have a simple demo application that uses ADO.NET Data Services as a data service back end for a Silverlight application.  My ADO.NET Data Service uses the Entity Framework to map the Northwind database tables of Customers, Orders, and Order Details. Once the Silverlight applications sets a service reference to the ADO.NET Data Service, you can use the client side LINQ libraries to build your application. My application looks like this, it has a drop down filled with customers, a grid with Order and a grid with Order Details. As you click on each one, it will filter the rest.



  • Business Apps Example for Silverlight 3 RTM and .NET RIA Services July Update: Part 5: Astoria, Add Service Reference and WinForms

    0 comments  /  posted by  Silverlight Show  on  Jul 16, 2009 (11 months ago)
    Tags: Applications , Demos , .NET RIA Services , WinForms , Astoria , Silverlight 3
    In this part Brad Abrams shows a demo that will take the Application logic he created in his Mix09 talk and put a REST based web service head on it with ADO.NET Data Services. 

    This might be useful if an application starts as a simple RIA Application but later you discover that you want to add a more explicit services layer to enable a wide range of clients to access your application.  Luckily all your investment in the server application logic continues to work. 

    Just to show off the point, we will then consume that from a WinForms applications.  This extends your reach and headroom for using RIA Services even more!

  • Simple Line Chart with Silverlight 1.1, part 2: Integration with Astoria

    1 comments  /  posted by  Emil Stoychev  on  Nov 27, 2007 (more than a year ago)
    Tags: Charts , Line Chart , Silverlight 1.1 , Astoria , Emil Stoychev

    Overview

    In the previous part of this tutorial we showed you how to build a simple line chart which loads its data from an exported Excel XML Spreadsheet or from a serialized list of points (in XML format). In this part we will show how to load chart data from an Astoria service.

    Topics covered:
    • creating ADO.NET Entity Data Model
    • creating Astoria service
    • using Astoria service using the Astoria client for Silverlight

    What is Astoria anyway?

    Astoria is the code name of a new Microsoft technology that enables applications to expose data as a data service that can be consumed by web clients over HTTP.
    Read more ...

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