Retrieve history snapshot with soap api - sql2008

I have an application the will retrieve and render reports using the soap
api. This all works fine. I can also get a list of history snapshots.
However, there are no methods available to load and render history snapshots.
I have tried to go directly to the Reporting Services database for the
snapshots but have been unable to get the data. I believe they are in the
Segment table Content column. I can see the actual XML report definition
(UTF8 encoding) but cannot determine the correct ChunkType for the compiled
report. Also, looking at other ChunkType data I can't determine how to
convert what is in the database to a report I can render or otherwise return
to the client.

Has anyone been successful at getting history snapshots programmatically
rather than in the browser. I don't understand why Microsoft does not let us
get the snapshots through the SOAP API.
--
Scott Norberg

Hi Scott,
Welcome to Microsoft MSDN Managed Newsgroup Services.

I understand that you would like to use SOAP API to load and render history
snapshot.
If I have misunderstood, please let me know.

I think that the methods ReportExecutionService.LoadReport and
ReportExecutionService.Render should help. Please refer to the following
articles:
ReportExecutionService.LoadReport Method
http://msdn.microsoft.com/en-us/library/microsoft.wssux.reportingservicesweb
service.rsexecutionservice2005.reportexecutionservice.loadreport(SQL.90).asp
x
ReportExecutionService.Render Method
http://msdn.microsoft.com/en-us/library/microsoft.wssux.reportingservicesweb
service.rsexecutionservice2005.reportexecutionservice.render(SQL.90).aspx

Hope this helps. Please do not hesitate to let me know if you have any
other questions or concerns.

Best regards,
Charles Wang
Microsoft Online Community Support
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