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DEV301- Web Service Programming with WCF 3.5
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DEV301- Web Service Programming with WCF 3.5 DEV301- Web Service Programming with WCF 3.5 Presentation Transcript

  • Web Service Programming with WCF 3.5 Eyal Vardi CEO E4D Solutions LTD Microsoft MVP Visual C# blog: www.eVardi.com
  • Agenda
    • Web Services Future (Cloud Computing)
    • Web Services Customizations with .NET 3.5
      • JSON vs. SOAP
      • GET vs. POST
      • Cache
      • URI Template
    • ADO.NET Data Services ( LINQ to URL )
  • About Me
    • Consulting
    • Mentoring
    • Projects
  • Web Services Everywhere…
  • You know how it starts, But you don’t know how it ends !!!
  • Web Services Customizations
  • HTTP Communication POST SimpleService.asmx/EchoString HTTP/1.1 Host: localhost:1489 User-Agent: Mozilla/5.0 Accept: text/html Content-Type: application/json; Content-Length: 27 ... XML, JSON, SOAP, AtomPub ... Headers Data Verb URL
  • JSON vs. SOAP POST SimpleService.asmx/EchoString HTTP/1.1 Host: localhost:1489 User-Agent: Mozilla/5.0 Accept: text/html,application/xhtml+xml Content-Type: application/json; Content-Length: 27 ... { &quot;Age&quot;:37, &quot;FirstName&quot;:&quot;Eyal&quot;, &quot;ID&quot;:&quot;123&quot;, &quot;LastName&quot;:&quot;Vardi“ } <Envelope> <Header> <!–- Headers --> <!-- Protocol's & Polices --> </Header> <Body> <!– XML Data --> </Body> </Envelope> Headers Data Verb URL
  • Before WCF ( ASMX )
  • DEMO
    • Web Service ( ASMX ) Customization
  • ASMX HTTP Options Options ASMX Data SOAP, XML, JSON , {arg}={value} Verbs POST, GET Headers Help Page Description WebMethod Cache WebMethod JS Proxy ScriptMethod URI Template NO Config NO
  • ASMX HTTP Options
    • ScriptMethod – Create on the fly JS Proxy.
    • WebMethod – Cache, Description & Session
    Data Verb Headers URL
      • XML
      • JSOM
      • GET
      • POST
    X
  • WCF Solutions ( WebGet , WebInvoke )
  • DEMO
    • Web Service ( WCF ) Customization
  • ASMX vs. WCF Options ASMX WCF Data XML , JSON XML , JSON Verbs POST, GET GET, POST, HEAD… Headers Help Page NO Description WebMethod NO Cache WebMethod Headers JS Proxy ScriptMethod Yes / NO URI Template NO Yes Config NO NO / Yes
  • DEMO
    • WCF Dynamic Format ( XML or JSON )
  • Client Caching
    • The request doesn’t get to the server, unless the data is expires.
    Browser
    • GET E4D/Demos/Test.svc HTTP/1.1
      • Cache-Control : private | max-age=5 | no-cache
      • Expires : Sun, 16 Nov 2008 11:58:18 GT11
    HTTP Response
  • Server Caching Request 304 Status Browser
    • GET E4D/Demos/Test.svc HTTP/1.1
      • If-Modified-Since: 16/11/2008 23:58:13
      • Etag : d06606c5-7fab-46f0-a5cd-6f911e3e51eb
    HTTP/1.1 304 Not Modified Cache-Control: no-cache Connection: Close HTTP Response
    • GET E4D/Demos/Test.svc HTTP/1.1
      • Cache-Control : no-cache
      • Expires : Sun, 16 Nov 2008 11:58:18 GT11
  • DEMO
    • Server Caching
  • ASP.NET Server Caching Request Response Browser
    • SQL Dependency
    • Duration
    • Vary By Param
  • DEMO
    • ASP.NET Server Caching
  • ADO.NET Data Services
  • LINQ to URL LINQ to URL AtomPub Win App or Browser
    • Data Service
    • IQuerable<T>
    from x in Products where x.ID > 555 select x.Name
  • Services Platform System.Net WCF Data Services Application / Service
  • DEMO
    • Data Services Hello World
  • Summary
    • Get the MAX from the HTTP 1.1
    • Caching
    • SOAP vs. JSON
    • ADO.NET Data Services
  • Additional Resources
    • http://www.eVardi.com , My blog.
    • WCF REST Starter Kit
    • HTTP Protocol (RFC2616)
    • WCF Web Programming Model Overview
  • Related Sessions DEV401: ASP.NET Ajax Internals Dan Amiga 09:00 – 10:30 DEV309: Building Web Sites with ASP.NET MVC Noam King 16:00 – 17:10 ARC301: “Velocity” Yair 16:00 – 17:10
  • © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.