Hi,
Can a web service method return safely a DateTime value ? Would it cause
problems for non-.NET client proxy generators ?
Thanks
Navin 2 1590
Yes, it serializes datetime just fine. However: DateTime is always
serialized in local time, so if you consume/deserialize the soap
envelope in a different timezone you get a "different" datetime.
I put this in quotes because if you use local datetime, then it
represents the same point in time, just in different timezones. But if
you use a UTC datetime, .Net serializes it still as local time and you
really end up with a differnt datetime in a different timezone.
DateTime was not very well thought out in the first implementation and
mostly tuned for performance and compatibility, not for globalization.
More info on this issue: http://blogs.msdn.com/bclteam/archiv...21/136918.aspx
To workaround this, tag the datetime as [XmlIgnore]/[SoapIgnore] and
instead serialize a string value of the datetime as described in the
above article.
I successfully used both approaches (DateTime serialization and
workaround) to create .Net webservices that are consumed by non .Net
clients (used Apache Axis and Glue Standard to create java stubs)
Thanks for response. The blog was very helpful. So, I understand it is safe
to return date time using the format yyyy-MM-ddTHH:mm:ss.fff ffffzzz when
using local time. Would mobile toolkits like J2ME be able to consume this
format too ? And what about problem with COM and VBA clients as posted in
the blog ? Should the format always be yyyy-MM-dd HH:mm:ss ? But it doesn't
care of timezone.
Thanks again and regards
Navin
"Stefan" <Cl*********@gm ail.com> wrote in message
news:11******** **************@ g44g2000cwa.goo glegroups.com.. . Yes, it serializes datetime just fine. However: DateTime is always serialized in local time, so if you consume/deserialize the soap envelope in a different timezone you get a "different" datetime.
I put this in quotes because if you use local datetime, then it represents the same point in time, just in different timezones. But if you use a UTC datetime, .Net serializes it still as local time and you really end up with a differnt datetime in a different timezone.
DateTime was not very well thought out in the first implementation and mostly tuned for performance and compatibility, not for globalization.
More info on this issue: http://blogs.msdn.com/bclteam/archiv...21/136918.aspx
To workaround this, tag the datetime as [XmlIgnore]/[SoapIgnore] and instead serialize a string value of the datetime as described in the above article.
I successfully used both approaches (DateTime serialization and workaround) to create .Net webservices that are consumed by non .Net clients (used Apache Axis and Glue Standard to create java stubs) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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