mono/mono — pull request #287 by whereisaaron (2012-05-03 07:07:42+00:00)
Title: Make XmlCustomFormatter.cs more liberal about the date formats it accept...

...s. Many third party web services do not format date exactly at 'yyyy-mm-dd'. The Microsoft implementation is more liberal about accepting other formats and so the current Mono implementation breaks projects that consume third party web services when they are ported to Mono.

I hit this porting a web service project to Mono that consumed a web service written in Java couple years back, worked fine with stock .Net but failed with Mono because of this strict date format requirement. At the time I gave up rather than make a custom build of Mono, but a colleague hit the same thing today with the latest Mono and I saw that it is still causing problems for other people so I thought to raise it.

http://stackoverflow.com/questions/10198386/system-datetime-parseexact-error-in-soap-response-in-monotouch-ios