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Incorporating XML with Mobile Devices and ASP.NET

Incorporating XML with Mobile Devices and ASP.NET. casey chesnut brains-N-brawn.com 4/4/2005 Student Ambassadors. Sample Code. http://www.brains-N-brawn.com/artifacts/saXmlCfAsp.zip. Outline. Basics Real World Web Services Advanced Future. XML Web Services. ASP.NET NOT Remoting

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Incorporating XML with Mobile Devices and ASP.NET

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  1. Incorporating XML with Mobile Devices and ASP.NET casey chesnut brains-N-brawn.com 4/4/2005 Student Ambassadors

  2. Sample Code • http://www.brains-N-brawn.com/artifacts/saXmlCfAsp.zip

  3. Outline • Basics • Real World Web Services • Advanced • Future

  4. XML Web Services • ASP.NET • NOT Remoting • ASMX Web Services • NOT Web Forms

  5. Core Standards • XML - document model • XSD - data types and structure • SOAP - communication • WSDL - description • UDDI – discovery • …

  6. ASP.NET Web Service • Demo • Code • Autogenerated test page • Autogenerated WSDL

  7. Mobile Devices • .NET Framework • Notebooks • Tablet PCs • .NET Compact Framework (CF) • Pocket PC • Pocket PC Phone Edition • Smartphones • .NET Embedded • SPOT Watches

  8. Compact Framework Client • Demo

  9. Compact Framework Client

  10. Gotchas • Check for connectivity • http://localhost URLs will not work • Use Machine Name or IP Address instead • Install Loopback Adapter • When developing without internet connection

  11. User Experience • Cache data • Display the hourglass • Use asynchronous calls

  12. Soap Document <soap:Envelope ...> <soap:Header> <SecurityToken>1234</SecurityToken> </soap:Header> <soap:Body> <StockQuoteRequest ...> <symbols> <Symbol>FABRIKAM</Symbol> <Symbol>CONTOSO</Symbol> </symbols> </StockQuoteRequest> </soap:Body> </soap:Envelope>

  13. Serialization Attributes • Used to shape object serialization • [XmlRoot()] • [XmlElement()] • [XmlAttribute()] • [XmlText()]

  14. Soap Headers • Work with SoapHeaders as objects • http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwebservicesprotocolssoapheaderclasstopic.asp

  15. Soap Extensions • Work with the request / response Xml

  16. Soap Extension

  17. Real World Web Services • Google API • MapPoint Web Service • TerraServer • Microsoft.com • Amazon • eBay / PayPal • FedEx

  18. MapPoint • Demo

  19. Advanced Web Services • WSE • WS-* • Hosting Web Services

  20. WSE • Web Service Enhancements • WS-Addressing • WS-Security • WS-SecureConversation • WS-Attachments • WSE for CF • http://www.OpenNETCF.org • http://www.brains-N-brawn.com/cfWSE2/

  21. WSE for CF • Sample WS-Security requests

  22. Hosting Web Services • Monash University Mobile Web Server • http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnnetcomp/html/netcfma.asp

  23. WS-* • WS-ReliableMessaging • http://www.brains-N-brawn.com/cfReliable/ • WS-Eventing • http://www.brains-N-brawn.com/cfEvent/ • WS-AtomicTransaction, WS-Coordination, WS-BusinessActivity • WS-Federation, WS-Privacy, WS-Authorization • BPEL4WS • …

  24. Future • Compact Framework v2 • Visual Studio 2005 • Indigo • ASMX Replacement • Devices Profile • WS-Discovery • UPnP 2.0 devices

  25. Questions • casey@brains-N-brawn.com

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