My web service is based on WCF. One of the operations needs to return a
two-dimensional data structure. May I return a DataTable without losing
interoperability with J2EE ?
Sincerely.

I'm getting this exception when trying to call external WS that
requires client side certs. It fails sporadically and not always -
Please see the below exception. This is urgent and need some immediate
assistance if possible, thanks.

I'm trying to launch several async calls for different methods of a web
service, but I get this error when i'm trying to read the result (There was
an error during asynchronous processing. Unique state object is required for
multiple asynchronous simultaneous operations to be ...

Hi, we have a web based system that has the ability to invoke a web
service on an event occurance, such as addition of a new order. We
need to invoke a Javascript based webpage to execute when such an
event occurs.

I have a .NET web service which is consumed by both .NET code and VB6 code.  
There is no issue to concume it from .NET, but error out in VB6.  I use SOAP
1.0 in vb6, here is sample code:
   Set oClient = CreateObject("MSSOAP.SoapClient")

Hello group,
Somebody has a example where web methods receive and send classes in the
parameters.
I looking the best way to send parameters to web service and anybody told me

I have a winform client which consumes a WCF service. I have a single
service client(proxy) at the winform side, but spread the service calls into
multiple threads so that they can do works concurrently. My confusion is, as
all threads share the same proxy, will one thread block ...

I'm using WSE 3.0 in my project to connect a web application to a web
service. I'm using username token for WSE. In some pages where I have upload
file controls I get an exception saying :
The underlying connection was closed: An unexpected error occurred on a

I am running asp.net ajax (vs 2008)
I have the following webservice listed below.
However, i have no idea how to call this from javascript.
Originally, before i started using the BeginXXX and EndXXX as per

I've created a serializable class and put attributes around all the
properties that should be serialized.  I return the class from a web
service, but my problem is that the wsdl for the web service is only
including the Values poperty, and nothing else.  Also, when the object ...

I've written a web service, with a try catch in my web method.  In the
catch, I create a new SoapException instance with a message of "Error Here".
Then I throw the SoapException.  In my calling application I call the web
service inside a try catch.  When I catch the ...

We’re continuing having a problem with a production application. The
application uses ASP.NET web services and about once a day, the web services
stop responding. The only resolution is to restart IIS or wait until IIS
detects that there is a deadlock issue and resets itself. We ...

ERROR:
ServiceHosting is not a valid attribute of element 'ServiceHost' AND
Parser Error Message: The unrecognized attribute 'ServiceHosting' is
specified.

I got from a friend just a WSDL file, how ever I do not have access to the
Web Service itself. I'd like program an app which needs to use this WS. What
steps need I to take?
Thanks for any hint

is it possible to consume a .NET 2.0 Webservice with a .NET 1.1. app?
Thanks for any advice
Adrian