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Link Reports to System.Data.DataSets?



Re: Link Reports to System.Data.DataSets? Bruce L-C [MVP]
11/24/2004 4:01:16 PM
sql server reporting services: Today you have to create a data processing extension. In the future
(Widbey/Yukon) there will be a webform control and winform control that
would allow this. If you don't want to create a data processing extension
then the dataset needs to be generated from RS (either embed the SQL or call
a stored procedure). I suggest first looking at using RS without a data
processing extension and make sure you understand RS capabilities then if
you decide you have to do it with a data processing extension.

Remember, RS is a different architecture than Crystal so there will be
plenty of places where you need to approach things differently.

--
Bruce Loehle-Conger
MVP SQL Server Reporting Services


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Link Reports to System.Data.DataSets? Sergio Florez M.
11/24/2004 4:23:26 PM
The mechanism to link a Crystal Report to data is by giving it a
System.Data.DataSet, I was wondering if this same option is possible in
Reporting Services.

--
Sergio Florez M.
Miembro activo de www.alianzadev.net
Medellín, Colombia.
El que persevera insiste!!!

Re: Link Reports to System.Data.DataSets? Bruce L-C [MVP]
11/24/2004 4:32:23 PM
Well, you can do it, it is just more complex, version 2 this will be much
simplier.

--
Bruce Loehle-Conger
MVP SQL Server Reporting Services

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Re: Link Reports to System.Data.DataSets? Sergio Florez M.
11/24/2004 5:13:17 PM
Thank you. The point is that not allowing to generate the reports from a
system.data.DataSet mean that reports can be rendered from data tha only
exists in memory and this is something that Crystal allows and that one of
my customers supposedly needs.

--
Sergio Florez M.
Miembro activo de www.alianzadev.net
Medellín, Colombia.
El que persevera insiste!!!

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Re: Link Reports to System.Data.DataSets? Sergio Florez M.
11/24/2004 5:17:33 PM
uhh... I meant:

Thank you. The point is that not allowing to generate the reports from a
system.data.DataSet mean that reports can't be rendered from data that only
exists in memory and this is something that Crystal allows and that one of
my customers supposedly needs.

--
Sergio Florez M.
Miembro activo de www.alianzadev.net
Medellín, Colombia.
El que persevera insiste!!!

[quoted text, click to view]

Re: Link Reports to System.Data.DataSets? njr
1/11/2005 1:49:11 AM

Hi
I am not sure that I fully understand your suggestions. I have an ASP.NET
application that uses a web form to update an XML dataset. I would like to be
able to produce a report from the dataset and ideally I would like to
serialize it and pass it as a data source to an RS web service but RS does
not seem to support this. I could serialise and persist to SQL Server as a
single ntext field that could then be queried to return a complete XML
document. Again RS does not seem to handle this. I do not wish to create a
full set of SQL Server tables to persist the dataset at the field level just
to produce the report (there are rather a lot of items).

You indicated that a "data processing extension" might help with this. Could
you possibly expand a little more or point me in the right direction?

Thanks

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Re: Link Reports to System.Data.DataSets? njr
1/12/2005 1:21:04 AM
I have had some further thoughts and I would be interested to know if the
following approach might work:

1. Create a web-service report that accepts a string parameter and uses a
stored procedure as a data source to which it passess the parameter.
2. Write the stored procedure to accept a parameter of type ntext which it
passes to sp_xml_preparedocument and then generates the required output using
OPENXML().
3. From the asp.net application, serialise the xml from the dataset as a
string and pass as a parameter to the web-service report.

Thanks

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