Report Viewer runs but doesn't 'show' data


I'm playing with reportviewer control ( and I set it up to show report from staging server and it runs (I get report header) but I don't see any data. What is interesting is that when I export to excel the report I get all data. It seems it is somehow hidden? It works fine in report manager and when trying another report it displays the data ok. the report is matrix report and is a bit lengthy so maybe there is a limit in width? (I preview report locally)

Many thanks in advance
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Kumaraswamy RCommented:

     I strongly suggest trying your reports with the VS 2010 Beta 2 control. We've done extensive testing of reports on IE8 in standards and compatibility modes in that release.

I just tried a matrix report in this scenario and it worked. If you continue to hit this issue, please attach the specific report you are using as well as the data necessary for us to run it in-house.
Megan BrooksSQL Server ConsultantCommented:
How many pages are in the report? Do all pages show as blank?

Have you set the AsyncRendering property?

Is the report a basic one without a lot of changes to the formatting?

Which ReportViewer control are you using, VS 2008?

Which browser are you using?

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itcoupleAuthor Commented:
Excellent. Changing the property to false, worked,
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itcoupleAuthor Commented:
Quick question.... What does this property exactly mean/do? ("Determines if the report is rendered asynchronously from the rest of the web page") I'm not very familiarided with web behaviour :p
Megan BrooksSQL Server ConsultantCommented:
This blog entry explains it better than anything else I have seen, and talks about the changes for VS 2010: 
itcoupleAuthor Commented:
Many thanks. This blog entry explains it very well.
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