Dataset serialization issue

[Guest]

Hi,
I am passing my simple dataset to my webservice which accepts dataset
as an argument as follows.
myservice.webmethod(ds);
In my web service I receive the above dataset as mentioned below.

Public void webmethod(dataset ds);

Now my problem is when I trf dataset from client there are 5 records
in a table of a dataset but when I put log tracing on webservice there are 0
records in table of dataset. Can anyone tell what is wrong with it. Where
shall I look for this problem.
I am also looking for best practices for handling,transferring dataset
between client and web services And also how to debug a web service.
One more important thing I notice that when I create the component
inside a web service locally and access it via remoting it works perfectly.
But when I put the same code in a aweb service I received 0 records.

Can anyone help me.

Nilkanth Desai

 

[Guest]

Hi,
If you want real interoperatabilty which is goal of web service then you
should not return dataset from web service.Instead you should try returning
xml string from web service.For more details refer below link:
http://www.theserverside.net/tt/articles/showarticle.tss?id=Top5WSMistakes
For tracing/debugging web service the cool tool is fiddler.For
downloading/documentation refer below link:
http://www.fiddlertool.com/fiddler/

 

[Guest]

Dear Manish,
Thanks for your response. I tried the method you suggest in your
reply. But problem was when I try to generate a string of xml with the use of
dataset.writexml(string) It was in form of file. Somehow I did not find the
way to generate xml string from dataset. So I decided to proceed with the
direct trf of dataset to web service. If you can send me any class code
sample which converts a dataset to string and trf. it to webservice. I will
be thankful to you. One more que in this regards is in web service methof
which datatyoe I can use when I receive this xmlstring from client.

Thanks ,

Nilkanth Desai

 

[Guest]

Hi,
Find below link which shows how to convert dataset to XML string by using
GetXML method and how on client side you can convert back that string to
Dataset.
http://community.sgdotnet.org/blogs/xtreme.net/archive/2004/10/27/13041.aspx
--
Hope this answers your question.
Thanks and Regards.
Manish Bafna.
MCP and MCTS.

 

[Guest]

Hi,
Also i have forgotten to tell in previous post that return data type from
web method should be string.
--
Hope this helps.
Thanks and Regards.
Manish Bafna.
MCP and MCTS.