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Calling WCF services with an invalid SSL certificate
A useful little snippet when using WCF with web services that have test SSL certificates.
When you call a service in WCF it's still using the underlying .NET classes in System.Net so it's actually here that you need to tell to ignore the invalid SSL certificate.
As it turns out this is very easy, all you need is the snippet below and it's good. Obviously you shouldn't deploy to a live environment with this code since it essentially says all certificates are valid but it's a handy trick to get a service working with any SSL certificate for testing.
ServicePointManager.ServerCertificateValidationCallback = (sender, certificate,...
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Transferring large files using WCF
Recently I wanted to send large files (several GB) from a rich desktop client to a web service. The client and service communicate using WCF and I thought that this would be quite easy. As it turns out it is but there are a few gotchas on the way.
Streaming
The first gotcha is that you do not want to buffer the message as you send it. Depending on the amount of RAM and the size of the file this may or may not be a problem on the client but it's almost certainly going to be a problem on the server...
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Web test recorder problems in IE
Visual Studio Team System has some nice testing feature, amongst which is the ability to record and playback web browsing as part of a web test. The recorder makes building web tests much easier that writing the test scripts by hand. I went to record a new web test today but the test recorder didn't appear.
I've recently installed IE8, I don't know if this was the culprit for breaking the recorder or not but fortunately the fix was quite easy. After a bit of searching I came across an entry on Michael Taute's blog at blogs.msdn.com/mtaute/archive/2007/11/09/diagnosing-and-fixing-web-test-recorder-bar-issues.aspx.
This article contains several possible...