Wiki Link: [discussion:2121]
MIX 09:Duplex Services sample does wether build nor run! 

Aug 5 2009 at 9:53 PM
Hi All !

Is it possible for someone to publish a buildable/compilabe version???? It is mentioned to be updated to SL3 and I have SL3 and all tolls, but building the solution fails.

I just cannot imagine, the samples do not build :-(

Error 1 The type or namespace name 'PollingDuplexBindingElement' could not be found (are you missing a using directive or an assembly reference?) D:\dxchg\DOWNLOAD\Develop\Source\MSDN--Silverlight-WCF-DuplexChannel-sample\unpacked\DuplexSample\ChatWebApp\DuplexService.cs 29 21 ChatWebApp

Any help would be great!

br--mabra

Oct 12 2009 at 5:02 PM
You need to manually add System.ServiceModel.PollingDuplex.dll by right-clicking "Add Reference|Browse" on Reference of ChatWebApp. It's usually in C:\Program Files\Microsoft SDKs\Silverlight\v3.0\Libraries\Server.

Coordinator
Apr 5 2010 at 12:10 AM
Also there is a Silverligh 4 RC Video Chat sample, which uses almost the same service, so you should be able to get that to work easier.


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