"Look What You Can Do with Silveright 2" Part 4: Web Services Support

Today we discussed consuming Web Services in our Silverlight 2 applications using ASMX Web Services, WCF Services and REST.  This webcast was based on a blogpost by Tim Heuer.  The attached code is modified from his source code to work with Silverlight 2 Beta 2.  The changes I made from his code are as follows:

  1. In the CallingServices Silverlight Project I added a reference to System.Net

  2. I changed the startup project to CallingServices_Web and the startup page to CallingServicesTestPage.aspx

  3. In the Bin folder of the CallingServices_Web project I updated the path of the System.Web.Silverlight.dll.refresh item to point to my local silverlight.dll (as I'm running Vista 64-bit, it's saved to my Program Files x86 folder)

  4. In Page.xaml of my CallingServices Silverlight project, I all references to System.Windows.Controls, which included removing the text below from the UserControl xaml element and removing "Controls:" from the beginning and ending <Button> tags

  5. I added my Flickr API Key in the URI for my Rest button implementation.

Here are the links I referenced:

Tim Heuer's blogpost on Web Services in Silverlight: http://timheuer.com/blog/archive/2008/03/14/calling-web-services-with-silverlight-2.aspx and follow up: http://timheuer.com/blog/archive/2008/03/19/calling-services-with-silverlight-part-2.aspx
A great explanation of when and how to use WebClient or HttpWebRequest in Silverlight: http://www.silverlightshow.net/items/Using-WebClient-and-HttpWebRequest.aspx
Tim's videos on Web Services from Silverlight.net/learn.  There are 3 videos - one one WCF, one on Cross Domain networking, and one focusing on WebClient/HttpWebRequest usage:  http://silverlight.net/learn/videocat.aspx?cat=2#HDI2WebServices

Please let me know if you have any questions!  See you on Wednesday for Unit Testing!


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